| Feature | X | Y | Map | AKA | Parish | County | Type | Feature Meaning |
| Macaheys Hill | 93 | 2 | 8 | Derry | ||||
| Macallens Bridge | 3 | 20 | 8 | Antrim | ||||
| Macantrim | 95 | 44 | 19 | Armagh | ||||
| Maccrackens | 38 | 2 | x | Leckpatrick | Tyrone | T | ||
| Maccrackens Bridge | 37 | 1 | 7 | Tyrone | ||||
| Macedon Point | 35 | 81 | 15 | Antrim | ||||
| Macfinn (Lower & Upper) | 89 | 26 | 4 | Ballymoney | Antrim | T | ||
| Macfinn (Lower & Upper) | 89 | 26 | 8 | Ballymoney | Antrim | T | ||
| Macfinn (Lower) | 89 | 26 | x | Ballymoney | Derry | T | ||
| Mackenny | 77 | 78 | 18 | Makenny (Sp ?) | Kildress | Tyrone | T | |
| Mackeystown Bridge | 34 | 97 | 9 | Antrim | ||||
| Macknagh Hill | 86 | 2 | x | Maghera | Derry | T | ||
| Macknagh Hill | 86 | 2 | 8 | Maghera | Derry | |||
| Macleary | 83 | 27 | 4 | Mascosquin | Derry | T | ||
| Macleary | 83 | 27 | 8 | Mascosquin | Derry | T | ||
| Macmeenstown | 20 | 2 | 6 | Convoy | Donegal | T | ||
| Macosquin | 82 | 28 | 4 | Mascosquin | Derry | T | ||
| Macosquin | 82 | 28 | 8 | Mascosquin | Derry | T | ||
| Macosquin Bridge | 82 | 28 | 4 | Mascosquin | Derry | |||
| Macosquin Bridge | 82 | 28 | 8 | Mascosquin | Derry | |||
| Macosquin River | 84 | 26 | 4 | Mascosquin | Derry | |||
| Macosquin River | 84 | 26 | 8 | Mascosquin | Derry | |||
| Macronan, Lough | 75 | 53 | 19 | Tyrone | ||||
| Macrory, Lough | 57 | 76 | 13 | Tyrone | ||||
| Mad Woman's Leap | 53 | 55 | 18 | Tyrone | ||||
| Madams Bank | 45 | 18 | 7 | Derry | ||||
| Madams Burn | 49 | 12 | 7 | Derry | ||||
| Maddigans Town | 96 | 4 | 8 | Derry | ||||
| Maddybenny Beg | x | Balltaghran | Derry | T | ||||
| Maddydoo Lower | 91 | 18 | 8 | New Buildings | Finvoy | Antrim | T | |
| Maddygalla | 15 | 48 | 5 | Antrim | ||||
| Maddykeel (Lower) | 92 | 18 | 8 | Finvoy | Antrim | T | ||
| Maddyliam Bridge | 23 | 49 | 18 | Fermanagh | ||||
| Maddyroe House | 34 | 59 | 20 | Down | ||||
| Madeira House | 63 | 62 | 21 | Down | ||||
| Madman's Leap | 44 | 95 | 9 | Antrim | ||||
| Madman's or Spy Window | 33 | 15 | 9 | Antrim | ||||
| Magee, Island | 46 | 99 | 9 | Antrim | ||||
| Mageestown | 12 | 99 | 14 | Antrim | ||||
| Maggys Steps | 14 | 52 | 20 | Down | ||||
| Maghaberry | 16 | 63 | 20 | Antrim | ||||
| Maghadone | x | Artrea | Derry | T | ||||
| Maghan, Lough | 16 | 73 | 12 | Donegal | ||||
| Magharenny | 35 | 71 | 12 | Longfield East | Tyrone | T | ||
| Magheestown | 26 | 5 | 6 | Raphoe | Donegal | T | ||
| Maghera | 85 | 0 | 8 | Derry | ||||
| Maghera Beg | 24 | 13 | 6 | Raymoghy | Donegal | T | ||
| Maghera Lough | 30 | 55 | 18 | Tyrone | ||||
| Maghera More | 23 | 12 | 6 | Raymoghy | Donegal | T | ||
| Magherabane | 29 | 99 | 9 | Antrim | ||||
| Magherabane | 62 | 10 | 7 | Derry | ||||
| Magherabeg | 10 | 94 | 14 | Drummaul | Antrim | T | ||
| Magherabeg | 19 | 55 | 20 | Down | T | |||
| Magherabeg | 35 | 24 | 7 | Fahan Upper | Donegal | T | ||
| Magherabeg Bridge | 9 | 94 | 14 | Antrim | ||||
| Magheraboy | 3 | 43 | 5 | Ballintoy | Antrim | T | ||
| Magheraboy | 7 | 98 | 12 | Donegal | ||||
| Magheraboy | 11 | 19 | 9 | Dunaghy | Antrim | T | ||
| Magheraboy | 18 | 40 | 5 | Antrim | ||||
| Magheraboy | 21 | 10 | 6 | Leck | Donegal | T | ||
| Magheraboy | 23 | 92 | 12 | Donaghmore | Donegal | T | ||
| Magheraboy | 24 | 89 | 12 | Raws Upper | Donaghmore | Donegal | T | |
| Magheraboy | 26 | 3 | 6 | Raphoe | Donegal | T | ||
| Magheraboy | 53 | 83 | 13 | Tyrone | ||||
| Magheraboy | 70 | 8 | 8 | Dungiven | Derry | T | ||
| Magheraboy | x | Dunaghy | Antrim | T | ||||
| Magheraboy | x | Ballywillian | Derry | T | ||||
| Magheraboy | 96 | 15 | x | Rasharkin | Antrim | T | ||
| Magheraboy (& Glebe) | 36 | 12 | 7 | Killea | Donegal | T | ||
| Magheraboy Bridge | 96 | 15 | 8 | Rasharkin | Antrim | |||
| Magheraboy Burn | 11 | 19 | 9 | Antrim | ||||
| Magheraboy Burn | 97 | 15 | 8 | Rasharkin | Antrim | |||
| Magheraboy Lower | x | Kilraghts | Antrim | T | ||||
| Magherabrack | 42 | 89 | 12 | Tyrone | ||||
| Magherabrack | 61 | 3 | 7 | Derry | ||||
| Magheracanon | 41 | 11 | 7 | Clondermot | Derry | T | ||
| Magheracar | 12 | 96 | 12 | Donegal | ||||
| Magheracashel | 5 | 41 | 5 | Ballintoy | Antrim | T | ||
| Magheraclay | x | Balltaghran | Derry | T | ||||
| Magheracloigh | 4 | 93 | Kilteevoge | Donegal | T | |||
| Magheracloy | 30 | 8 | 6 | Taughboyne | Donegal | T | ||
| Magheracloy | 30 | 8 | 7 | Taughboyne | Donegal | T | ||
| Magheracoltan | 36 | 85 | 12 | Ardstraw | Tyrone | T | ||
| Magheracorran | 16 | 99 | 12 | Convoy | Donegal | T | ||
| Magheracorran | 17 | 0 | 6 | Donegal | ||||
| Magheracranmoney | 46 | 50 | 21 | Inch | Down | T | ||
| Magheracreggan | 30 | 82 | 12 | Ardstraw | Tyrone | T | ||
| Magheracross | 28 | 53 | 18 | Fermanagh | ||||
| Magheracross Bridge | 28 | 53 | 18 | Fermanagh | ||||
| Magheradartin | 27 | 58 | 20 | Down | T | |||
| Magheradrool | 38 | 49 | 20 | Down | T | |||
| Magheradrumman Lough | 20 | 23 | 6 | Tullyfern | Donegal | |||
| Magherafelt (& Town Parks) | 89 | 90 | 14 | Magherafelt | Derry | T | ||
| Magheragar | 31 | 91 | 12 | Urney | Tyrone | T | ||
| Magheragart | 26 | 54 | 18 | Sessiaghs | Dromore | Tyrone | T | |
| Magheragart (Donnell) | 36 | 61 | 18 | Dromore | Tyrone | T | ||
| Magherageery | 24 | 62 | 20 | Antrim | T | |||
| Magheraglass | 73 | 76 | x | Kildress | Tyrone | T | ||
| Magherahaan | 26 | 1 | 6 | Raphoe | Donegal | T | ||
| Magherahee | 23 | 0 | 6 | Raphoe | Donegal | T | ||
| Magherahinch | 15 | 59 | 20 | Down | T | |||
| Magherahoney | 8 | 29 | 5 | Loughguile | Antrim | T | ||
| Magherahoney | 8 | 29 | 8 | Loughguile | Antrim | T | ||
| Magherakeel | 17 | 79 | 12 | Termonamongan | Tyrone | T | ||
| Magherakeel Bridge | 17 | 78 | 12 | Tyrone | ||||
| Magheraknock | 34 | 57 | 20 | Down | T | |||
| Magheraknock Fort | 34 | 56 | 20 | Down | ||||
| Magheralagan | 44 | 43 | x | Down | Down | T | ||
| Magheralagan Lake | 44 | 43 | 21 | Down | ||||
| Magheralamfield | 90 | 68 | x | Clonloe | Tyrone | T | ||
| Magheralane | 8 | 92 | 14 | Drummaul | Antrim | T | ||
| Magheralask Burn | 8 | 9 | 6 | Donegal | ||||
| Magheralave | 26 | 66 | x | Derryaghy | Antrim | T | ||
| Magheralis | 59 | 9 | 7 | Derry | ||||
| Magheraliskmisk | 18 | 65 | 20 | Antrim | T | |||
| Magheraliss, Lower | 51 | 84 | 13 | Tyrone | ||||
| Magheraliss, Upper | 51 | 83 | 13 | Tyrone | ||||
| Magherally | 16 | 46 | 20 | Down | T | |||
| Magheralone | 41 | 48 | 21 | Kilmore | Down | T | ||
| Magheralough | 30 | 82 | 12 | Ardstraw | Tyrone | T | ||
| Magheralough | 31 | 55 | 18 | Kilskeery | Tyrone | T | ||
| Magheralough Bridge | 30 | 56 | 18 | Tyrone | ||||
| Magheralough Bridge | 30 | 81 | 12 | Tyrone | ||||
| Magheramason | 40 | 10 | 7 | Lower Town | Donaghedy | Tyrone | T | |
| Magheramenagh | x | Ballywillin | Antrim | T | ||||
| Magheramenagh | x | Ballywillin | Derry | T | ||||
| Magheramesk | 16 | 62 | 20 | Antrim | T | |||
| Magheramore | 64 | 17 | 7 | Faughanvale, Tamlaght Finlagan | Derry | T | ||
| Magheramore | 68 | 4 | 7 | Banagher | Derry | T | ||
| Magheramore | 83 | 13 | 8 | Desertoghill | Derry | T | ||
| Magheramore | x | Romoan | Antrim | T | ||||
| Magheramore Woods | 83 | 12 | 8 | Desertoghill | Derry | |||
| Magheramorne | 43 | 98 | 9 | Antrim | ||||
| Magheramulkenny | 86 | 67 | 19 | Clonloe | Tyrone | T | ||
| Magheran | 12 | 12 | 6 | Conwal | Donegal | T | ||
| Magherana | 9 | 54 | 20 | Down | T | |||
| Magheranagaw | 8 | 64 | 20 | Antrim | ||||
| Magheranageeragh | 20 | 81 | 12 | Termonamongan | Tyrone | T | ||
| Magheranan | 19 | 12 | 6 | Aghanunshin | Donegal | T | ||
| Magheranappan | 18 | 1 | 6 | Convoy | Donegal | T | ||
| Magherapaste | 14 | 95 | 6 | Stranorlar | Donegal | T | ||
| Magherareagh | 27 | 94 | 6 | Donaghmore | Donegal | T | ||
| Magherareagh | 37 | 5 | 7 | Donaghedy | Tyrone | T | ||
| Magherascouse | 44 | 64 | 21 | Comber | Down | T | ||
| Magherascouse | 44 | 65 | x | Comber | Down | T | ||
| Magherascouse Lough | 44 | 64 | 21 | Down | ||||
| Magherascullion | x | Desertlyn | Derry | T | ||||
| Magherashanvally | 25 | 98 | 6 | Donaghmore | Donegal | T | ||
| Magherashanvally | 26 | 98 | 12 | Donaghmore | Donegal | T | ||
| Magherasolus | 26 | 4 | 6 | Raphoe | Donegal | T | ||
| Magheratimpany | 38 | 48 | 20 | Down | T | |||
| Magheravall | 13 | 0 | 6 | Convoy | Donegal | T | ||
| Maghereaboy | 22 | 95 | 6 | Donegal | ||||
| Maghereagh | 11 | 89 | x | Antrim | Antrim | T | ||
| Maghereagh House | 11 | 89 | 14 | Antrim | Antrim | |||
| Magherenny | 22 | 87 | 12 | Tyrone | ||||
| Magherindonnel | x | Culfeightrin | Antrim | T | ||||
| Magherintemple | 13 | 39 | 5 | Antrim | ||||
| Magherintendry | 97 | 39 | 4 | Billy | Antrim | T | ||
| Magherintendry | 97 | 39 | 5 | Billy | Antrim | T | ||
| Maghernagran | 10 | 16 | 6 | Conwal | Donegal | T | ||
| Maghernahar | 4 | 40 | 5 | Ballintoy | Antrim | T | ||
| Maghernashangan | 1 | 14 | x | Gartan | Donegal | T | ||
| Maghery | 83 | 42 | 19 | Armagh | ||||
| Maghery | 92 | 63 | 19 | Armagh | ||||
| Maghery House | 82 | 42 | 19 | Armagh | ||||
| Magheryard | 48 | 0 | 7 | Tyrone | ||||
| Magherycallaghan | 27 | 93 | x | Urney | Donegal | T | ||
| Magherycallaghan House | 27 | 93 | 12 | Donegal | ||||
| Magherydogherty | 97 | 42 | 19 | Armagh | ||||
| Maghon | 0 | 51 | 20 | Armagh | T | |||
| Maghralough | 7 | 42 | 5 | Antrim | ||||
| Magilligan Bridge | 67 | 34 | 4 | Big Drain Bridge | Derry | |||
| Magilligan Point | 65 | 39 | 4 | Derry | ||||
| Magilligan Strand | 65 | 36 | 4 | Derry | ||||
| Magirr | 33 | 97 | x | Urney | Tyrone | T | ||
| MaglionTerr | 10 | 44 | 20 | Down | ||||
| Magonragh | 32 | 44 | 18 | Fermanagh | ||||
| Magurgan | 55 | 73 | 13 | Tyrone | ||||
| Magurk's Island | 21 | 48 | 18 | Fermanagh | ||||
| Mahee Island | 53 | 63 | 21 | Tullynakill | Down | T | ||
| Maidavale | 47 | 70 | 13 | Tyrone | ||||
| Maidens, The | 44 | 12 | 9 | Hulin Rocks | Antrim | |||
| Main Mount | 7 | 91 | 14 | Antrim | ||||
| Main Mountain | 51 | 0 | 7 | Tyrone | ||||
| Main View | 4 | 13 | 8 | Antrim | ||||
| Main, River | 5 | 11 | 8 | Antrim | ||||
| Main, River | 8 | 94 | 14 | Antrim | ||||
| Maine | 50 | 75 | 13 | Mayne ? | Cappagh | Tyrone | T | |
| Maine House | 50 | 75 | 13 | Cappagh | Tyrone | |||
| Maine North | 70 | 17 | 8 | Balteagh | Derry | T | ||
| Maine South | 71 | 15 | 8 | Derry | ||||
| Mainwater Foot | 9 | 86 | 14 | Antrim | ||||
| Mairs Hill | 17 | 66 | 20 | Antrim | ||||
| Maizestown | 98 | 1 | 8 | Antrim | ||||
| Makenny | 25 | 55 | 18 | Kilskeery | Tyrone | T | ||
| Mallabeny | 50 | 54 | x | Clogher | Tyrone | T | ||
| Mallabeny Hill | 50 | 54 | 18 | Tyrone | ||||
| Mallaboy | 9 | 21 | 8 | Antrim | ||||
| Mallanadeevan | 18 | 39 | 5 | Antrim | ||||
| Mallard Plantation | 55 | 49 | 21 | Down | ||||
| Mallendober | x | Billy | Antrim | T | ||||
| Mallon, Lough | 64 | 74 | 13 | Tyrone | ||||
| Mallusk | 28 | 83 | 15 | Antrim | ||||
| Malone | 32 | 70 | 15 | Antrim | ||||
| Malone Lower | 32 | 72 | x | Shankill | Antrim | T | ||
| Malone Upper | 31 | 67 | 15 | Shankill | Antrim | T | ||
| Malone Upper | 31 | 67 | 20 | Antrim | T | |||
| Maloon | 79 | 79 | x | Derryloran | Tyrone | T | ||
| Man-o-War | 49 | 97 | 9 | Antrim | ||||
| Managh (Beg) | 48 | 15 | 7 | Clondermot | Derry | T | ||
| Managher | 87 | 24 | 4 | Aghadowey | Derry | T | ||
| Managher | 87 | 24 | 8 | Aghadowey | Derry | T | ||
| Manister | 2 | 35 | 5 | Grange of Drumtullagh | Antrim | T | ||
| Mann, Lough | 41 | 49 | 21 | Down | ||||
| Mann's Hill | 18 | 97 | 14 | Antrim | ||||
| Mann's Hill | 18 | 97 | 9 | Antrim | ||||
| Manner's Town | 38 | 19 | 7 | Donegal | ||||
| Manner's Town Bridge | 38 | 19 | 7 | Donegal | ||||
| Manor Farm | 30 | 64 | 20 | Down | ||||
| Manor Farm | 58 | 79 | 15 | Down | ||||
| Manor House | 85 | 42 | 19 | Armagh | ||||
| Manor House | 91 | 51 | 19 | Armagh | ||||
| Manorcunningham (& Churchland & Isle) | 24 | 12 | 6 | Raymoghy | Donegal | T | ||
| Manse | 66 | 32 | 4 | Derry | ||||
| Manse | 89 | 42 | 19 | Armagh | ||||
| Manse | 90 | 36 | 4 | Antrim | ||||
| Manse | 90 | 36 | 5 | Antrim | ||||
| Manse | 93 | 48 | 19 | Armagh | ||||
| Manse | 96 | 33 | 4 | Antrim | ||||
| Manse | 96 | 33 | 5 | Antrim | ||||
| Manse | 98 | 46 | 19 | Armagh | ||||
| Manse Bridge, Old | 27 | 85 | 15 | Antrim | ||||
| Mansonstown | 21 | 95 | 14 | Antrim | ||||
| Mantus Wood | 47 | 16 | 7 | Derry | ||||
| Manus Hill | 34 | 58 | 18 | Tyrone | ||||
| Manus Hill | 37 | 79 | 12 | Tyrone | ||||
| Manus Wood | 37 | 80 | 12 | Tyrone | ||||
| Manus, Lough | 5 | 72 | 12 | Donegal | ||||
| Manus's Hill | 38 | 73 | 12 | Tyrone | ||||
| Manxman | 59 | 78 | 15 | Down | ||||
| Many Burns River | 39 | 50 | 18 | Fermanagh | ||||
| Manyburns Bridge | 38 | 47 | 18 | Fermanagh | ||||
| Manyburns Bridge | 38 | 49 | 18 | Fermanagh | ||||
| Maple Vale | 34 | 60 | 20 | Down | ||||
| Maplegrove Farm | 51 | 71 | 13 | Tyrone | ||||
| Maragh River | 38 | 29 | 7 | Donegal | ||||
| Marchburn Port | 48 | 94 | 15 | Antrim | ||||
| Margymonaghan | x | Magilligan (Tamlaghtard) | Derry | T | ||||
| Marine Turbine | 59 | 49 | 21 | Down | ||||
| Market Cross | 56 | 76 | 13 | Tyrone | ||||
| Markstown | 38 | 95 | 9 | Antrim | ||||
| Marlacoo | 98 | 44 | 19 | Armagh | ||||
| Marlacoo Lake | 98 | 44 | 19 | Armagh | ||||
| Marlborough | 49 | 42 | 21 | Down | ||||
| Marlemount | 48 | 65 | 15 | Down | ||||
| Marlemount | 48 | 65 | 21 | Down | ||||
| Marlfield | 57 | 53 | 21 | Ardquin | Down | T | ||
| Marlfield Bay | 56 | 53 | 21 | Down | ||||
| Marlhills | 48 | 64 | 18 | Tyrone | ||||
| Marrassit | 76 | 44 | 19 | College Hall | Armagh | |||
| Marrock Glebe | 26 | 70 | x | Longfield West | Tyrone | T | ||
| Marronstown | 38 | 90 | 15 | Antrim | ||||
| Marshall's Corner | 0 | 98 | 14 | Antrim | ||||
| Marshallstown | 42 | 90 | 15 | Antrim | ||||
| Marshallstown | 48 | 40 | 21 | Down | ||||
| Marshallstown | 48 | 41 | x | Down | Down | T | ||
| Martello Tower | 66 | 38 | 4 | Derry | ||||
| Martinstown | 13 | 14 | 9 | Antrim | ||||
| Martinstown | 40 | 47 | 21 | Down | ||||
| Martray | 63 | 58 | x | Carnteel | Tyrone | T | ||
| Martray House | 63 | 58 | 19 | Carteel | Tyrone | |||
| Martray Lough | 64 | 58 | 19 | Carteel | Tyrone | |||
| Mary Breen's Burn | 5 | 87 | 12 | Donegal | ||||
| Mary Brook House | 40 | 51 | 21 | Down | ||||
| Mary Gray | 43 | 85 | 12 | Tyrone | ||||
| Mary Vale | 18 | 57 | 20 | Down | ||||
| Mary, Lough | 35 | 81 | 12 | Tyrone | ||||
| Marybrook | 25 | 50 | 20 | Down | ||||
| Masons Bridge | 40 | 51 | 21 | Down | ||||
| Mass Beg | 28 | 1 | 6 | Clonleigh | Donegal | T | ||
| Mass Hill | 0 | 15 | 8 | Antrim | ||||
| Mass Hill | 11 | 95 | 12 | Donegal | ||||
| Mass Hill | 53 | 64 | 18 | Tyrone | ||||
| Mass House Hill | 41 | 69 | 18 | Tyrone | ||||
| Mass More | 28 | 1 | 6 | Clonleigh | Donegal | T | ||
| Mass Reagh | 13 | 19 | 6 | Kilmacrenan | Donegal | T | ||
| Masseys Mountain | 35 | 87 | 15 | Antrim | ||||
| Masshill | 33 | 2 | 6 | Clonleigh | Donegal | T | ||
| Masshill | 33 | 2 | 7 | Clonleigh | Donegal | T | ||
| Mast | 23 | 4 | 6 | Donegal | ||||
| Masteragwee, Lower | 80 | 33 | 4 | Dunboe | Derry | T | ||
| Masteragwee, Upper | 81 | 33 | 4 | Dunboe | Derry | T | ||
| Masts | 34 | 52 | 18 | Fermanagh | ||||
| Mathers Close | 20 | 55 | 20 | Down | ||||
| Matherspark Point | 53 | 59 | 21 | Down | ||||
| Mathew's Bridge | 37 | 95 | 12 | Tyrone | ||||
| Matman's Bay | 30 | 25 | 7 | Donegal | ||||
| Matthew Scotts Rock | 60 | 84 | 15 | Down | ||||
| Mavesford Bridge | 41 | 60 | 21 | Down | ||||
| Mawillian | 87 | 82 | 14 | Artrea | Derry | T | ||
| Maxwell Court | 44 | 68 | 15 | Down | ||||
| Maxwell Court | 44 | 68 | 21 | Down | ||||
| Maxwells Walls | 19 | 96 | 14 | Connor | Antrim | T | ||
| Maxwells Walls | 19 | 96 | 9 | Connor | Antrim | T | ||
| May Mount | 0 | 42 | 20 | Armagh | ||||
| Mayboy | 81 | 20 | 4 | Aghadowey | Derry | T | ||
| Mayboy | 81 | 20 | 8 | Aghadowey | Derry | T | ||
| Mayboy Bridge | 81 | 20 | 8 | Aghadowey | Derry | |||
| Mayboy Bridge | 82 | 20 | 4 | Aghadowey | Derry | |||
| Maydown | 48 | 20 | 7 | Clondermot | Derry | T | ||
| Maydown House | 81 | 51 | 19 | Armagh | ||||
| Mayemacullen | 0 | 41 | 20 | Armagh | T | |||
| Mayfield | 24 | 50 | 20 | Down | ||||
| Mayknock, Lower | 95 | 9 | 8 | Derry | ||||
| Mayknock, Upper | 94 | 9 | 8 | Derry | ||||
| Maylin | 27 | 14 | 6 | Raymoghy | Donegal | T | ||
| Maymore (Upper & Lower) | 34 | 7 | 6 | Taughboyne | Donegal | T | ||
| Maymore (Upper & Lower) | 34 | 7 | 7 | Taughboyne | Donegal | T | ||
| Maymore House | 52 | 55 | 21 | Down | ||||
| Maymore Marsh | 35 | 7 | 6 | Donegal | ||||
| Maymore Marsh | 35 | 7 | 7 | Donegal | ||||
| Mayoghill | 87 | 17 | 8 | Aghadowey | Derry | T | ||
| Mayoghill Bridge | 88 | 17 | 8 | Aghadowey | Derry | |||
| Mayoghill River | 87 | 16 | 8 | Aghadowey | Derry | |||
| Maze | 21 | 61 | 20 | Down | ||||
| Maze Race Course | 21 | 61 | 20 | Down | ||||
| Maze View | 20 | 56 | 20 | Down | ||||
| Mazes | 5 | 35 | 5 | Grange of Drumtullagh | Antrim | T | ||
| Mazes Wood | 5 | 35 | 5 | Grange of Drumtullagh | Antrim | |||
| Mazetown | 22 | 62 | 20 | Antrim | ||||
| Mc Dowells Corner | 6 | 49 | 20 | Down | ||||
| Mc Hendrystown | 14 | 65 | 20 | Antrim | ||||
| McAnallys Bridge | 10 | 94 | 14 | Antrim | ||||
| McAnullastown | 3 | 3 | 8 | Antrim | ||||
| McArts Fort | 32 | 79 | 15 | Antrim | ||||
| McAteerstown | 0 | 88 | 14 | Antrim | ||||
| McAuley's Lake | 36 | 48 | 20 | Down | ||||
| McBrooms Hill | 96 | 50 | 19 | Armagh | ||||
| McCall, Lough | 53 | 48 | 18 | Tyrone | ||||
| McCammon Pladdy | 57 | 63 | 21 | Down | ||||
| McCammon Rocks | 66 | 60 | 21 | Down | ||||
| McCartney's Bridge | 31 | 8 | 9 | Antrim | ||||
| McCartneys Bridge | 9 | 99 | 14 | Antrim | ||||
| McCauls Town | 25 | 96 | 12 | Donegal | ||||
| McCauslands Lough | 73 | 56 | 19 | Tyrone | ||||
| McClavertystown | 1 | 93 | 14 | Antrim | ||||
| McClearstown | 29 | 94 | 15 | Antrim | ||||
| McClinchy's Corner | 97 | 43 | 19 | Armagh | ||||
| McCloskeystown | 99 | 4 | 8 | Antrim | ||||
| McCollums Hill | 94 | 17 | 8 | Antrim | ||||
| McConnamys Bridge | 68 | 88 | 13 | Derry | ||||
| McConnells Town | 1 | 93 | 14 | Antrim | ||||
| McCormicks Hill | 0 | 88 | 14 | Antrim | ||||
| McCorrystown | 13 | 69 | 20 | Antrim | ||||
| McCoskers Hill | 93 | 81 | 14 | Derry | ||||
| McCrea Park | 32 | 72 | 12 | Tyrone | ||||
| McCready's Corner | 86 | 49 | 19 | Armagh | ||||
| McCullagh's Town | 48 | 92 | 13 | Tyrone | ||||
| McCulley's Rock | 51 | 70 | 15 | Down | ||||
| McCulley's Rock | 51 | 70 | 21 | Down | ||||
| McCulloch's Burn | 34 | 96 | 9 | Antrim | ||||
| McDonald's Fort | 9 | 88 | 14 | Antrim | ||||
| McDowellstown | 10 | 99 | 14 | Antrim | ||||
| McDowellstown | 10 | 99 | 9 | Antrim | ||||
| McElroystown | 23 | 8 | 9 | Antrim | ||||
| McGladderystown | 35 | 99 | 9 | Antrim | ||||
| McGoggins Hill | 77 | 50 | 19 | Armagh | ||||
| McGovern's Hill | 92 | 84 | 14 | Derry | ||||
| McGowans Hill | 23 | 73 | 14 | Antrim | ||||
| McGregor's Corner | 12 | 11 | 9 | Antrim | ||||
| McGregors Hill | 55 | 49 | 18 | Tyrone | ||||
| McHugh Bridge | 37 | 84 | 12 | Tyrone | ||||
| McIlroy's Point | 45 | 2 | 9 | Antrim | ||||
| McIlwhans | 28 | 79 | 15 | Antrim | ||||
| McKaigs Rocks | 49 | 68 | 15 | Down | ||||
| McKaigs Rocks | 49 | 68 | 21 | Down | ||||
| McKee's Lough | 34 | 57 | 20 | Down | ||||
| McKees Bridge | 22 | 56 | 20 | Down | ||||
| McKees Dam | 22 | 57 | 20 | Down | ||||
| McKeestown | 5 | 0 | 8 | Antrim | ||||
| McKenna's Bridge | 81 | 85 | 13 | Derry | ||||
| McKennas Town | 93 | 99 | 14 | Derry | ||||
| McKeowns Hill | 0 | 8 | 8 | Antrim | ||||
| McKillops Bridge | 37 | 6 | 9 | Antrim | ||||
| McKinley Bungalows | 41 | 69 | 18 | Tyrone | ||||
| McKinley House | 96 | 29 | 4 | Antrim | ||||
| McKinney Park | 79 | 78 | 13 | Tyrone | ||||
| Mclaughlins Corner | 94 | 13 | 8 | Antrim | ||||
| McLean & Partners Division | x | Faughanvale | Derry | T | ||||
| McLernanstown | 99 | 99 | 14 | Antrim | ||||
| McMahon's Town | 62 | 66 | 19 | Tyrone | ||||
| McNally Park | 21 | 81 | 12 | Tyrone | ||||
| McNally's Bridge | 67 | 87 | 13 | Tyrone | ||||
| McNeices Bridge | 16 | 71 | 14 | Antrim | ||||
| McNeillstown | 98 | 8 | 8 | Antrim | ||||
| McQuillan's Grave | 13 | 32 | 5 | Antrim | ||||
| McRobert's Burn | 35 | 97 | 9 | Antrim | ||||
| McTamneys Town | 96 | 2 | 8 | Derry | ||||
| McTurks Point | 8 | 86 | 14 | Antrim | ||||
| McVeaghstown | 12 | 77 | 14 | Antrim | ||||
| McVickersland | x | Kilbride | Antrim | T | ||||
| Meadow Parks | x | Ballywillin | Antrim | T | ||||
| Meadow Vale | 23 | 54 | 20 | Down | ||||
| Meadow View | 45 | 59 | 21 | Down | ||||
| Meadowvale | 22 | 49 | 20 | Down | ||||
| Meaghy | 32 | 84 | 12 | Ardstraw | Tyrone | T | ||
| Mealough | 35 | 65 | 15 | Drumbo | Down | T | ||
| Mealough | 35 | 65 | 20 | Down | T | |||
| Meath Park | 85 | 22 | 4 | Derry | ||||
| Meath Park | 85 | 22 | 8 | Derry | ||||
| Meavemanougher | x | Aghadowey | Derry | T | ||||
| Meekstown | 5 | 4 | 8 | Antrim | ||||
| Meelthoge Hill | 57 | 46 | 18 | Tyrone | ||||
| Meeltoge, Lough | 2 | 18 | 6 | Donegal | ||||
| Meeltogues | 28 | 59 | x | Kilskeery | Tyrone | T | ||
| Meen | 61 | 87 | 13 | Tyrone | ||||
| Meen, The | 94 | 6 | 8 | Derry | ||||
| Meenablagh | 13 | 84 | 12 | Corgary, Fourth | Termonamongan | Tyrone | T | |
| Meenaboll | 98 | 8 | 6 | Conwal | Donegal | T | ||
| Meenaboll Hill | 0 | 8 | 6 | Conwal | Donegal | |||
| Meenabrack | 8 | 90 | 12 | Donegal | ||||
| Meenacapple | 58 | 72 | 13 | Tyrone | ||||
| Meenachar | 47 | 90 | 13 | Tyrone | ||||
| Meenacloy | 21 | 71 | 12 | Longfield West | Tyrone | T | ||
| Meenacrane | 55 | 92 | 13 | Bodoney Upper | Tyrone | T | ||
| Meenacung | 1 | 8 | 6 | Conwal | Donegal | T | ||
| Meenadaura | 5 | 6 | 6 | Drumnahoug Mountain | Conwal | Donegal | T | |
| Meenadoan | 24 | 72 | x | Longfield West | Tyrone | T | ||
| Meenadoo | 51 | 87 | 13 | Bodoney Lower | Tyrone | T | ||
| Meenadoo Bridge | 50 | 86 | 13 | Tyrone | ||||
| Meenadooey, Lough | 55 | 78 | 13 | Tyrone | ||||
| Meenafea | 8 | 87 | 12 | Donegal | ||||
| Meenafergus | 10 | 78 | 12 | Termonamongan | Tyrone | T | ||
| Meenagannive | 0 | 9 | 6 | Gartan | Donegal | T | ||
| Meenagar | 38 | 58 | 18 | Dromore | Tyrone | T | ||
| Meenagarragh | 46 | 92 | 13 | Bodoney Upper | Tyrone | T | ||
| Meenagarranroe | 9 | 89 | 12 | Donegal | ||||
| Meenagh Hill | 38 | 9 | 7 | Donaghedy | Tyrone | T | ||
| Meenagh Lower | 86 | 65 | 19 | Clonloe | Tyrone | |||
| Meenagh Upper | 85 | 66 | 19 | Clonloe | Tyrone | |||
| Meenaghhill | 38 | 9 | 7 | Tyrone | ||||
| Meenagolan | 16 | 86 | 12 | Donaghmore | Donegal | T | ||
| Meenagolan | 98 | 2 | 6 | Donegal | ||||
| Meenagoppoge | 96 | 22 | 6 | Donegal | ||||
| Meenagorp | 45 | 91 | x | Bodoney Upper | Tyrone | T | ||
| Meenagorp Bridge | 46 | 91 | 13 | Bodoney Upper | Tyrone | |||
| Meenagorp House | 45 | 91 | 13 | Bodoney Upper | Tyrone | |||
| Meenagowan | 31 | 61 | 18 | Dromore | Tyrone | T | ||
| Meenagrauv | 7 | 95 | 6 | Kilteevoge | Donegal | T | ||
| Meenagrauv | 11 | 99 | 6 | Stranorlar | Donegal | T | ||
| Meenagrauv | 11 | 99 | 12 | Stranorlar | Donegal | T | ||
| Meenagrogan | 14 | 80 | 12 | Termonamongan | Tyrone | T | ||
| Meenaheap | 41 | 90 | 12 | Tyrone | ||||
| Meenaheery Glebe | 27 | 69 | 18 | Longfield West | Tyrone | T | ||
| Meenahinnis Lower | 17 | 90 | 12 | Donaghmore | Donegal | T | ||
| Meenahoney | 24 | 96 | 6 | Donaghmore | Donegal | T | ||
| Meenahoney | 24 | 96 | 12 | Donaghmore | Donegal | T | ||
| Meenahorna | 9 | 0 | 6 | Kilteevoge | Donegal | T | ||
| Meenakeeran | 10 | 82 | 12 | Termonamongan | Tyrone | T | ||
| Meenalaban | 10 | 1 | 6 | Midcut | Convoy | Donegal | T | |
| Meenalack | 8 | 70 | 12 | Donegal | ||||
| Meenalig | 1 | 0 | 6 | Kilteevoge | Donegal | T | ||
| Meenalughoge | 9 | 88 | 12 | Donegal | ||||
| Meenalughoge Hill | 9 | 89 | 12 | Donegal | ||||
| Meenamolt | 43 | 26 | 7 | Donegal | ||||
| Meenamullan | 18 | 76 | 12 | Termonamongan | Tyrone | T | ||
| Meenanamph | 4 | 2 | 6 | Kilteevoge | Donegal | T | ||
| Meenanarragee | 26 | 74 | 12 | Tyrone | ||||
| Meenanea | 69 | 82 | x | Kildress | Tyrone | T | ||
| Meenaneagh | 5 | 5 | 6 | Donegal | ||||
| Meenaneagh Burn | 1 | 15 | 6 | Donegal | ||||
| Meenaneane Bridge | 47 | 29 | 7 | Donegal | ||||
| Meenanellison | 5 | 73 | 12 | Templecran | Donegal | T | ||
| Meenanilta | 10 | 99 | 6 | Stranorlar | Donegal | T | ||
| Meenard Mountain | 66 | 98 | 13 | Derry | ||||
| Meenarnet Burn | 55 | 14 | 7 | Derry | ||||
| Meenarodda | 63 | 91 | 13 | Bodoney Lower | Tyrone | T | ||
| Meenascallagh | 66 | 81 | x | Kildress | Tyrone | T | ||
| Meenashammer | 11 | 88 | 12 | Donegal | ||||
| Meenashesk | 38 | 93 | 12 | Tyrone | ||||
| Meenasorna | 2 | 2 | 6 | Donegal | ||||
| Meenatammy | 62 | 6 | 7 | Derry | ||||
| Meenatinny | 98 | 6 | 6 | Conwal | Donegal | T | ||
| Meenatober | 13 | 87 | 12 | Donegal | ||||
| Meenatole | 19 | 18 | 6 | Conwal | Donegal | T | ||
| Meenatumigan | 41 | 89 | 12 | Tyrone | ||||
| Meenavally | 17 | 98 | 6 | Convoy | Donegal | T | ||
| Meenavay Lower | 15 | 99 | 12 | Donegal | ||||
| Meenavay Upper | 15 | 99 | 12 | Donegal | ||||
| Meenavoy | 14 | 99 | 6 | Stranorlar | Donegal | T | ||
| Meenawaddy | 40 | 91 | 12 | Tyrone | ||||
| Meenawalla | 18 | 90 | 12 | Donegal | ||||
| Meenawanick | 40 | 54 | 18 | Fermanagh | ||||
| Meenawilligan | 5 | 13 | 6 | Gartan | Donegal | T | ||
| Meenawogary | 18 | 87 | 12 | Donegal | ||||
| Meenayelvin | 18 | 75 | 12 | Tyrone | ||||
| Meenbane | 10 | 99 | 6 | Stranorlar | Donegal | T | ||
| Meenbane | 10 | 99 | 12 | Stranorlar | Donegal | T | ||
| Meenbog | 5 | 1 | 6 | Kilteevoge | Donegal | T | ||
| Meenbog | 8 | 86 | 12 | Donaghmore | Donegal | T | ||
| Meenbog | 23 | 72 | 12 | Longfield West | Tyrone | T | ||
| Meenbog Hill | 13 | 83 | 12 | Tyrone | ||||
| Meenbog Hill | 96 | 15 | 6 | Donegal | ||||
| Meenbrock | 5 | 81 | 12 | Donegal | ||||
| Meenbrock Lough | 6 | 81 | 12 | Tyrone | ||||
| Meencargagh | 2 | 6 | 6 | Conwal | Donegal | T | ||
| Meencargagh | 9 | 92 | x | Stranorlar | Donegal | T | ||
| Meencargagh | 28 | 78 | 12 | Longfield West | Tyrone | T | ||
| Meencargagh Wood | 29 | 78 | 12 | Tyrone | ||||
| Meencarriga | 23 | 76 | 12 | Termonamongan | Tyrone | T | ||
| Meenclogher | 20 | 74 | 12 | Termonamongan | Tyrone | T | ||
| Meencraig | 76 | 21 | 4 | Aghadowey | Derry | T | ||
| Meencraig | 76 | 21 | 8 | Aghadowey | Derry | T | ||
| Meencrim | 37 | 55 | 18 | Tyrone | ||||
| Meencrumlin | 7 | 91 | 12 | Stranorlar | Donegal | T | ||
| Meendamph | 46 | 96 | 13 | Donaghedy | Tyrone | T | ||
| Meendamph Irwin | 46 | 94 | 13 | Tyrone | ||||
| Meengilcarry | 99 | 3 | 6 | Kilteevoge | Donegal | T | ||
| Meenirroy | 0 | 7 | 6 | Conwal | Donegal | T | ||
| Meenirroy Hill | 0 | 6 | 6 | Conwal | Donegal | |||
| Meenish, Lough | 56 | 41 | 18 | Monaghan | ||||
| Meenletterbale | 61 | 44 | 4 | Moville Lower | Donegal | T | ||
| Meenloskybane | 16 | 85 | 12 | Donegal | ||||
| Meenloskybane Burn | 16 | 86 | 12 | Donegal | ||||
| Meenlougher | 22 | 92 | x | Donaghmore | Donegal | T | ||
| Meenmore | 18 | 70 | 12 | Fermanagh | ||||
| Meenmore | 28 | 64 | 18 | Tyrone | ||||
| Meenmore Hill | 14 | 74 | 12 | Donegal | ||||
| Meenmossogue Glebe | 25 | 70 | 12 | Longfield West | Tyrone | T | ||
| Meennagassagh Hill | 11 | 72 | 12 | Tyrone | ||||
| Meennamolt Bridge | 0 | 23 | 6 | Donegal | ||||
| Meenreagh | 14 | 86 | 12 | Donaghmore | Donegal | T | ||
| Meenreagh Bridge | 14 | 85 | 12 | Donaghmore | Tyrone | |||
| Meensnee Hill | 99 | 15 | 6 | Donegal | ||||
| Meentullyclogh | 19 | 71 | 12 | Fermanagh | ||||
| Meentycat | 9 | 2 | 6 | Convoy | Donegal | T | ||
| Meentygrannagh | 1 | 5 | 6 | Conwal | Donegal | T | ||
| Meeny | 56 | 1 | 7 | Derry | ||||
| Meeny Hill | 56 | 99 | 13 | Derry | ||||
| Meeting Bridge | 29 | 10 | 9 | Antrim | ||||
| Meetinghousehill | 44 | 72 | x | Drumragh | Tyrone | T | ||
| Megalith | 6 | 39 | 5 | Antrim | ||||
| Megalithic Tomb | 5 | 1 | 6 | Donegal | ||||
| Megalithic Tomb | 10 | 21 | 6 | Donegal | ||||
| Megalithic Tomb | 11 | 21 | 6 | Donegal | ||||
| Megalithic Tomb | 11 | 72 | 12 | Tyrone | ||||
| Megalithic Tomb | 13 | 0 | 6 | Donegal | ||||
| Megalithic Tomb | 16 | 19 | 6 | Donegal | ||||
| Megalithic Tomb | 17 | 98 | 6 | Donegal | ||||
| Megalithic Tomb | 17 | 99 | 12 | Donegal | ||||
| Megalithic Tomb | 19 | 2 | 6 | Donegal | ||||
| Megalithic Tomb | 19 | 15 | 6 | Donegal | ||||
| Megalithic Tomb | 20 | 97 | 6 | Donegal | ||||
| Megalithic Tomb | 20 | 97 | 12 | Donegal | ||||
| Megalithic Tomb | 22 | 95 | 6 | Donegal | ||||
| Megalithic Tomb | 25 | 6 | 6 | Donegal | ||||
| Megalithic Tomb | 27 | 97 | 6 | Donegal | ||||
| Megalithic Tomb | 28 | 95 | 12 | Donegal | ||||
| Megalithic Tomb | 29 | 12 | 6 | Donegal | ||||
| Megalithic Tomb | 32 | 23 | 6 | Donegal | ||||
| Megalithic Tomb | 32 | 23 | 7 | Donegal | ||||
| Megalithic Tomb | 35 | 29 | 7 | Donegal | ||||
| Megalithic Tomb | 38 | 26 | 7 | Donegal | ||||
| Megalithic Tomb | 45 | 26 | 7 | Donegal | ||||
| Megalithic Tomb | 60 | 46 | 4 | Donegal | ||||
| Megargy | 87 | 88 | x | Magherafelt | Derry | T | ||
| Megargy House | 87 | 88 | 14 | Magherafelt | Derry | |||
| Megarrystown | 18 | 57 | 20 | Down | ||||
| Megheralough | 30 | 81 | 12 | Tyrone | ||||
| Menagh | x | Aghadowey | Derry | T | ||||
| Mennabrack Lough | 5 | 82 | 12 | Donegal | ||||
| Mennagarragh | 46 | 92 | 13 | Tyrone | ||||
| Mennagh | 86 | 65 | x | Clonloe | Tyrone | T | ||
| Merchantstown Glebe | 55 | 74 | x | Termonmaguirk | Tyrone | T | ||
| Merrick Stone, The | 71 | 34 | 4 | Derry | ||||
| Merryland | 93 | 17 | 8 | Antrim | ||||
| Merryland Cross Roads | 39 | 68 | 15 | Down | ||||
| Merryland Cross Roads | 39 | 68 | 20 | Down | ||||
| Mervue Cottage | 52 | 55 | 21 | Down | ||||
| Meskan Stone | 52 | 7 | 7 | Derry | ||||
| Metal Bridge | 76 | 46 | 19 | Tyrone | ||||
| Metal Man | 67 | 41 | 4 | Donegal | ||||
| Mettican Bridge | 84 | 17 | 8 | Errigal | Derry | |||
| Mettican Glebe | 82 | 17 | x | Errigal | Derry | T | ||
| Mettican River | 82 | 17 | 8 | Errigal | Derry | |||
| Mew Island | 60 | 86 | 15 | Bangor | Down | T | ||
| Mgheraskeagh | x | Aghanloo | Derry | T | ||||
| Michael's Rock | 56 | 62 | 21 | Down | ||||
| Mickle Hill | 16 | 64 | 20 | Antrim | ||||
| Mid Hill | 19 | 15 | 9 | Antrim | ||||
| Mid Island | 56 | 67 | 15 | Down | ||||
| Mid Island | 56 | 67 | 21 | Down | ||||
| Mid Island | 59 | 59 | 21 | Down | ||||
| Midcut | 10 | 1 | 6 | Meenalaban | Convoy | Donegal | T | |
| Middle Bridge | 30 | 11 | 9 | Antrim | ||||
| Middle Division | 39 | 90 | 15 | Carrickfergus | Antrim | T | ||
| Middle Island | 1 | 9 | 8 | Antrim | ||||
| Middle Quarter | 80 | 18 | 8 | Derry | ||||
| Middle Town | 7 | 17 | 6 | Donegal | ||||
| Middle Town | 11 | 81 | 12 | Tyrone | ||||
| Middle Town | 48 | 87 | 13 | Tyrone | ||||
| Middle Town | 91 | 9 | 8 | Derry | ||||
| Middletown | 8 | 65 | 20 | Antrim | ||||
| Middletown | 20 | 71 | 12 | Fermanagh | ||||
| Middletown | 26 | 61 | 18 | Fermanagh | ||||
| Middletown | 46 | 6 | 7 | Tyrone | ||||
| Midge Island | 98 | 96 | 14 | Ballyscullion | Antrim | T | ||
| Mile House Bridge | 7 | 61 | 20 | Armagh | ||||
| Mile Mountain | 70 | 91 | 13 | Derry | ||||
| Mile Stone, The | 93 | 44 | 4 | Antrim | ||||
| Mile Stone, The | 93 | 44 | 5 | Antrim | ||||
| Milebrush | 41 | 89 | 15 | Antrim | ||||
| Milecross | 46 | 73 | x | Newtownards | Down | T | ||
| Milecross | 47 | 75 | x | Newtownards | Down | T | ||
| Milecross Lodge | 47 | 75 | 15 | Down | ||||
| Milford | 85 | 43 | 19 | Armagh | ||||
| Milk Isle | 19 | 11 | 6 | Conwal | Donegal | T | ||
| Milky Knowes | 34 | 93 | 15 | Antrim | ||||
| Mill Bay | 14 | 50 | 5 | Antrim | ||||
| Mill Bay | 31 | 23 | 6 | Donegal | ||||
| Mill Bay | 31 | 23 | 7 | Donegal | ||||
| Mill Bay | 44 | 99 | 9 | Antrim | ||||
| Mill Bridge | 18 | 88 | 14 | Antrim | ||||
| Mill Bridge | 29 | 9 | 9 | Antrim | ||||
| Mill Bridge | 52 | 18 | 7 | Derry | ||||
| Mill Bridge | 93 | 62 | 19 | Armagh | ||||
| Mill Burn | 12 | 89 | 14 | Antrim | ||||
| Mill Burn | 57 | 75 | 15 | Down | ||||
| Mill Cross Roads, The | 76 | 68 | 19 | Tyrone | ||||
| Mill Farm | 27 | 92 | x | Urney | Donegal | T | ||
| Mill Five Acres | x | Armoy | Antrim | T | ||||
| Mill Hill | 52 | 54 | 21 | Down | ||||
| Mill Lough | 74 | 88 | 13 | Derry | ||||
| Mill Loughan | 87 | 29 | 8 | Kildollagh | Derry | T | ||
| Mill Park | 59 | 55 | 21 | Down | ||||
| Mill Pond | 32 | 24 | 7 | Donegal | ||||
| Mill Pond | 35 | 18 | 6 | Donegal | ||||
| Mill Pond | 35 | 18 | 7 | Donegal | ||||
| Mill Pond | 51 | 54 | 21 | Down | ||||
| Mill Quarter | 59 | 44 | 21 | Down | ||||
| Mill Quarter | 79 | 17 | 8 | Derry | ||||
| Mill Quarter | x | Scullion | Antrim | T | ||||
| Mill Quarter Bay | 60 | 44 | 21 | Down | ||||
| Mill Stone, The | 65 | 51 | 21 | Down | ||||
| Mill Town | 12 | 88 | 14 | Antrim | ||||
| Mill Town | 24 | 33 | 5 | Antrim | ||||
| Mill Town | 33 | 10 | 6 | Donegal | ||||
| Mill Town | 33 | 10 | 7 | Donegal | ||||
| Mill Town | x | Magilligan (Tamlaghtard) | Derry | T | ||||
| Mill View | 47 | 67 | 15 | Down | ||||
| Mill View | 48 | 67 | 21 | Down | ||||
| Mill View | 94 | 24 | 4 | Antrim | ||||
| Mill View | 94 | 24 | 8 | Antrim | ||||
| Millbank | 26 | 84 | 15 | Antrim | ||||
| Millbay | 44 | 99 | 9 | Antrim | ||||
| Millberry | 74 | 44 | 19 | Aghanloo | Tyrone | T | ||
| Millbrook | 35 | 26 | 7 | Donegal | ||||
| Millbrook | 36 | 87 | 12 | Tyrone | ||||
| Millbrook | 37 | 1 | 9 | Antrim | ||||
| Millbrook | 57 | 5 | 7 | Derry | ||||
| Millbrook | 90 | 91 | 14 | Derry | ||||
| Millbrook Bridge | 38 | 15 | 7 | Derry | ||||
| Millbrooke | 45 | 78 | 15 | Down | ||||
| Millburn | x | Coleraine | Derry | T | ||||
| Millburn Bridge | 12 | 87 | 14 | Antrim | ||||
| Miller Hill | 59 | 77 | x | Newtownards | Down | T | ||
| Miller's Corner | 53 | 70 | 15 | Down | ||||
| Miller's Corner | 53 | 70 | 21 | Down | ||||
| Millers Bridge | 85 | 53 | 19 | Armagh | ||||
| Millerstown | 98 | 5 | 8 | Antrim | ||||
| Millfarm | 14 | 82 | 14 | Antrim | ||||
| Millfield | 18 | 49 | 20 | Down | ||||
| Millikenstown | 31 | 94 | 15 | Antrim | ||||
| Millin Bay | 63 | 49 | 21 | Down | ||||
| Millin Hill | 63 | 48 | 21 | Down | ||||
| Millisle | 59 | 75 | 15 | Down | ||||
| Millix | 63 | 61 | 19 | Errigal Keerogue | Tyrone | T | ||
| Millmount | 43 | 72 | 15 | Down | ||||
| Millmount | 43 | 72 | 21 | Down | ||||
| Millquarter | x | Ballymoney | Antrim | T | ||||
| Milltate | 28 | 42 | 18 | Fermanagh | ||||
| Milltown | 0 | 95 | 14 | Antrim | ||||
| Milltown | 1 | 90 | 14 | Antrim | ||||
| Milltown | 3 | 18 | 8 | Antrim | ||||
| Milltown | 7 | 16 | x | Gartan | Donegal | T | ||
| Milltown | 7 | 96 | 12 | Donegal | ||||
| Milltown | 7 | 97 | 6 | Donegal | ||||
| Milltown | 8 | 92 | 14 | Antrim | ||||
| Milltown | 11 | 48 | 20 | Down | ||||
| Milltown | 11 | 81 | 14 | Antrim | ||||
| Milltown | 12 | 8 | 6 | Donegal | ||||
| Milltown | 13 | 2 | 9 | Antrim | ||||
| Milltown | 14 | 52 | 20 | Down | ||||
| Milltown | 18 | 0 | 6 | Donegal | ||||
| Milltown | 21 | 1 | 6 | Convoy | Donegal | T | ||
| Milltown | 24 | 0 | 6 | Raphoe | Donegal | T | ||
| Milltown | 28 | 90 | 15 | Antrim | ||||
| Milltown | 29 | 14 | 6 | Raymoghy | Donegal | T | ||
| Milltown | 29 | 54 | 20 | Down | ||||
| Milltown | 31 | 72 | 15 | Antrim | ||||
| Milltown | 32 | 73 | 12 | Tyrone | ||||
| Milltown | 33 | 19 | 6 | Donegal | ||||
| Milltown | 33 | 19 | 7 | Donegal | ||||
| Milltown | 34 | 96 | x | Camus | Tyrone | T | ||
| Milltown | 35 | 9 | 9 | Antrim | ||||
| Milltown | 36 | 87 | 12 | Ardstraw | Tyrone | T | ||
| Milltown | 37 | 0 | 7 | Leckpatrick | Tyrone | T | ||
| Milltown | 38 | 60 | 18 | Tyrone | ||||
| Milltown | 39 | 3 | x | Donaghedy | Tyrone | T | ||
| Milltown | 43 | 86 | 12 | Tyrone | ||||
| Milltown | 47 | 69 | 15 | Down | ||||
| Milltown | 47 | 69 | 21 | Down | ||||
| Milltown | 48 | 62 | 18 | Tyrone | ||||
| Milltown | 57 | 75 | 13 | Tyrone | ||||
| Milltown | 63 | 57 | 19 | Tyrone | ||||
| Milltown | 76 | 34 | 4 | Derry | ||||
| Milltown | 79 | 97 | 13 | Derry | ||||
| Milltown | 80 | 51 | 19 | Armagh | ||||
| Milltown | 84 | 99 | 13 | Derry | ||||
| Milltown | 88 | 23 | 4 | Derry | ||||
| Milltown | 88 | 23 | 8 | Derry | ||||
| Milltown | 93 | 63 | 19 | Armagh | ||||
| Milltown | 94 | 24 | 4 | Antrim | ||||
| Milltown | 94 | 24 | 8 | Antrim | ||||
| Milltown | 95 | 12 | 8 | Antrim | ||||
| Milltown | 97 | 5 | 8 | Antrim | ||||
| Milltown | 97 | 46 | 19 | Armagh | ||||
| Milltown | 99 | 44 | 4 | Antrim | ||||
| Milltown | 99 | 44 | 5 | Antrim | ||||
| Milltown | 99 | 99 | 14 | Antrim | ||||
| Milltown Bridge | 14 | 19 | 6 | Donegal | ||||
| Milltown Bridge | 34 | 96 | 6 | Tyrone | ||||
| Milltown Bridge | 34 | 96 | 12 | Tyrone | ||||
| Milltown Bridge | 40 | 75 | 12 | Tyrone | ||||
| Milltown Bridge | 89 | 24 | 4 | Derry | ||||
| Milltown Bridge | 89 | 24 | 8 | Derry | ||||
| Milltown Burn | 23 | 34 | 5 | Antrim | ||||
| Milltown Burn | 83 | 0 | 8 | Derry | ||||
| Milltown Burndennet | 39 | 4 | 7 | Tyrone | ||||
| Milltown Hill | 26 | 43 | 18 | Fermanagh | ||||
| Milltown House | 79 | 61 | 19 | Tyrone | ||||
| Milltown Lodge | 36 | 87 | 12 | Tyrone | ||||
| Milltown Lodge | 40 | 14 | 7 | Derry | ||||
| Millview | 57 | 75 | 15 | Down | ||||
| Millview | 84 | 77 | 13 | Derry | ||||
| Millview House | 89 | 77 | 14 | Tyrone | ||||
| Millwood | 32 | 40 | 18 | Aghalurcher | Fermanagh | T | ||
| Milsessiagh | 29 | 99 | 6 | Clonleigh | Donegal | T | ||
| Milton | 79 | 72 | 13 | Tyrone | ||||
| Miltown | 9 | 62 | 20 | Down | ||||
| Miltown | 12 | 55 | 20 | Down | ||||
| Milvale | 29 | 91 | 15 | Antrim | ||||
| Minadinna | 58 | 72 | 13 | Connected to Minandinna | Tyrone | |||
| Mine Shaft | 33 | 90 | 15 | Antrim | ||||
| Mineanry Base Tower | 65 | 30 | 4 | Magilligan (Tamlaghtard) | Derry | |||
| Minearny | 65 | 30 | 4 | Magilligan (Tamlaghtard) | Derry | T | ||
| Minegallagher Glebe | 55 | 17 | 7 | Faughanvale | Derry | T | ||
| Minerstown | 48 | 36 | 21 | Down | ||||
| Mineveigh | 79 | 67 | x | Tullyniskan | Tyrone | T | ||
| Mineveigh Bridge | 80 | 67 | 19 | Tullyniskan | Tyrone | |||
| Mineveigh House | 79 | 67 | 19 | Tullyniskan | Tyrone | |||
| Miniature Railway | 54 | 76 | 15 | Down | ||||
| Miniature Railway | 89 | 60 | 19 | Armagh | ||||
| Minkey Hill | 39 | 17 | 7 | Derry | ||||
| Minnis | 33 | 13 | 9 | Tickmacrevan | Antrim | T | ||
| Minterburn | 73 | 50 | 19 | Aghanloo | Tyrone | |||
| Misty Lough North | 1 | 23 | 6 | Donegal | ||||
| Misty Lough South | 1 | 22 | 6 | Donegal | ||||
| Mistyburn | 23 | 1 | 9 | Glenwhirry | Antrim | T | ||
| Mitchells Town | 47 | 26 | 7 | Donegal | ||||
| Mnafin, Lough | 9 | 19 | 6 | Donegal | ||||
| Moat Farm | 39 | 95 | 9 | Antrim | ||||
| Moat Pac, The | 26 | 41 | 20 | Down | ||||
| Moat, The | 75 | 86 | 13 | Tyrone | ||||
| Moatstown | 20 | 72 | 14 | Antrim | ||||
| Mobagh | 10 | 70 | 12 | Donegal | ||||
| Moboy | 70 | 76 | 13 | Kildress | Tyrone | T | ||
| Moboy | 98 | 8 | 8 | Craigs | Antrim | T | ||
| Moboy House | 97 | 9 | 8 | Craigs | Antrim | |||
| Mobuoy | 48 | 18 | 7 | Faughanvale | Derry | T | ||
| Mobuy | 78 | 86 | 13 | Lissan | Derry | T | ||
| Mobuy Wood | 78 | 87 | 13 | Derry | ||||
| Modeenagh | 35 | 44 | 18 | Fermanagh | ||||
| Moghan | 72 | 64 | x | Donaghmore | Tyrone | T | ||
| Moghan Bridge | 72 | 63 | 19 | Tyrone | ||||
| Moira | 14 | 60 | 20 | Down | ||||
| Molenan House | 39 | 12 | 7 | Derry | ||||
| Molly Blayney's Corner | 52 | 41 | 21 | Down | ||||
| Momeen | 29 | 7 | 6 | Taughboyne | Donegal | T | ||
| Monadore | 60 | 3 | 7 | Derry | ||||
| Monadore Bridge | 60 | 2 | 7 | Derry | ||||
| Monaghan | 9 | 9 | 8 | Kirkinriola | Antrim | T | ||
| Monaghan Bank | 59 | 62 | 21 | Down | ||||
| Monaghan's Bridge | 34 | 77 | 12 | Tyrone | ||||
| Monahoora | 30 | 46 | 20 | Down | ||||
| Monanameal | 60 | 84 | 13 | Bodoney Lower | Tyrone | T | ||
| Monanclogh | 8 | 35 | 5 | Armoy | Antrim | T | ||
| Monastery | 8 | 73 | 12 | Donegal | ||||
| Monastery | 46 | 51 | 21 | Down | ||||
| Monclink | 27 | 11 | 6 | Raymoghy | Donegal | T | ||
| Monclone | 6 | 42 | 20 | Armagh | T | |||
| Mondarragh | 43 | 52 | 21 | Down | ||||
| Mondooey (Lower, Middle & Upper) | 25 | 7 | 6 | Raymoghy | Donegal | T | ||
| Moneen | 31 | 0 | 7 | Clonleigh | Donegal | T | ||
| Moneennahasragh | 4 | 0 | 6 | Donegal | ||||
| Moneennahasragh | 31 | 0 | 6 | Donegal | ||||
| Moneennshasragh | 4 | 0 | 6 | Kilteevoge | Donegal | T | ||
| Monehanegan | 55 | 14 | 7 | Faughanvale | Derry | T | ||
| Monellan | 19 | 91 | x | Donaghmore | Donegal | T | ||
| Moness | 35 | 20 | 6 | Burt | Donegal | T | ||
| Moness | 35 | 20 | 7 | Burt | Donegal | T | ||
| Money House | 93 | 50 | 19 | Armagh | ||||
| Money, Lough | 53 | 45 | 21 | Down | ||||
| Moneybrannon | 86 | 23 | 4 | Aghadowey | Derry | T | ||
| Moneybrannon | 86 | 23 | 8 | Aghadowey | Derry | T | ||
| Moneybroom | 22 | 65 | 20 | Antrim | T | |||
| Moneycannon Bridge | 97 | 20 | 4 | Antrim | ||||
| Moneycannon Bridge | 97 | 20 | 8 | Antrim | ||||
| Moneycanon | 49 | 3 | 7 | Donaghedy | Tyrone | T | ||
| Moneycanon | 94 | 21 | 4 | Finvoy | Antrim | T | ||
| Moneycanon | 95 | 21 | 8 | Finvoy | Antrim | T | ||
| Moneycarragh River | 36 | 42 | 20 | Down | ||||
| Moneycarrie | 86 | 19 | x | Aghadowey | Derry | T | ||
| Moneycarrie Bridge | 86 | 19 | 8 | Aghadowey | Derry | |||
| Moneyconey | 71 | 91 | 13 | Ballynascreen | Derry | T | ||
| Moneydig | 88 | 15 | 8 | Desertoghill | Derry | t | ||
| Moneydollog | x | Ahoghill | Antrim | T | ||||
| Moneyduff | 9 | 18 | 8 | Dunaghy | Antrim | T | ||
| Moneyeagh | 40 | 67 | 15 | Down | ||||
| Moneygal Bog | 23 | 88 | 12 | Tyrone | ||||
| Moneygar | 34 | 55 | 18 | Kilskeery | Tyrone | T | ||
| Moneygaragh | 73 | 72 | x | Desertcreat | Tyrone | T | ||
| Moneyglass | 1 | 93 | 14 | Duneane | Antrim | T | ||
| Moneygobbin | x | Ballymoney | Antrim | T | ||||
| Moneygran | 50 | 1 | 7 | Tyrone | ||||
| Moneygran | 94 | 10 | 8 | Kilrea | Derry | R | ||
| Moneygreer Bog | 44 | 62 | 21 | Down | ||||
| Moneygreggan | 29 | 17 | 6 | All Saints | Donegal | T | ||
| Moneyguiggy | 76 | 16 | 8 | Balteagh | Derry | T | ||
| Moneyguiggy | 80 | 96 | 13 | Ballynascreen | Derry | T | ||
| Moneyhaughly | 25 | 14 | 6 | Raymoghy | Donegal | T | ||
| Moneyhaw | 85 | 81 | x | Arboe | Derry | T | ||
| Moneyhaw House | 85 | 81 | 14 | Arboe | Derry | |||
| Moneyhoghan | 61 | 2 | 7 | Learmount | Derry | T | ||
| Moneykee | 23 | 59 | 18 | Fermanagh | ||||
| Moneylane | 40 | 37 | x | Kilmegan | Down | T | ||
| Moneyletra Kill | 86 | 13 | 8 | Desertoghill | Derry | |||
| Moneymore | 29 | 14 | 6 | Raymoghy | Donegal | T | ||
| Moneymore | 85 | 83 | 14 | Artrea | Derry | T | ||
| Moneymore | x | Maghera | Derry | T | ||||
| Moneynabane | 32 | 48 | 20 | Down | T | |||
| Moneyneagh | 10 | 21 | 9 | Loughguile | Antrim | T | ||
| Moneyneagh | x | Loughguile | Antrim | T | ||||
| Moneyneany | 74 | 97 | 13 | Ballynascreen | Derry | T | ||
| Moneynick | 3 | 88 | 14 | Duneane | Antrim | T | ||
| Moneyoran Hill | 79 | 7 | 8 | Derry | ||||
| Moneypenny Lock | 3 | 51 | 20 | Armagh | ||||
| Moneyrannel | 65 | 22 | 4 | Tamlaght Finlagan | Derry | T | ||
| Moneyreagh | 40 | 66 | 21 | Comber | Down | T | ||
| Moneyreagh | 40 | 67 | x | Comber | Down | T | ||
| Moneyrod | 3 | 90 | 14 | Duneane | Antrim | T | ||
| Moneysallin | 91 | 8 | x | Tamlaght O'Crilly | Derry | T | ||
| Moneyshanere | 81 | 96 | 13 | Kilcronaghan | Derry | T | ||
| Moneyshanere House | 81 | 97 | 13 | Kilcronaghan | Derry | |||
| Moneysharvan | 85 | 5 | 8 | Killelagh | Derry | T | ||
| Moneyslane Hill | 25 | 40 | 20 | Down | ||||
| Moneystaghan (Ellis & Macpeake) | 94 | 2 | 8 | Tamlaght O'Crilly | Derry | T | ||
| Moneystaghan Wood | 94 | 1 | 8 | Tamlaght O'Crilly | Derry | |||
| Moneysterlin | 89 | 81 | 14 | Annagh | Desertmartin | Derry | T | |
| Moneyvart | 23 | 28 | 5 | Antrim | ||||
| Moneyvennon | 69 | 27 | 4 | Freehall | Aghanloo | Derry | T | |
| Moneyvennon | 69 | 27 | 7 | Freehall | Aghanloo | Derry | T | |
| Monfad | 30 | 15 | 6 | All Saints | Donegal | T | ||
| Monfad | 30 | 15 | 7 | All Saints | Donegal | T | ||
| Mongavin | 34 | 6 | 6 | Donegal | ||||
| Mongavlin | 34 | 6 | 7 | Taughboyne | Donegal | T | ||
| Monglass | 35 | 15 | 6 | All Saints | Donegal | T | ||
| Monglass | 35 | 15 | 7 | All Saints | Donegal | T | ||
| Mongorry | 24 | 5 | 6 | Raphoe | Donegal | T | ||
| Mongorry Hill | 24 | 5 | 6 | Raphoe | Donegal | |||
| Monica, Lough | 11 | 73 | 12 | Tyrone | ||||
| Monkstown | 34 | 84 | 15 | Carnmoney | Antrim | T | ||
| Monkstown Church | 34 | 85 | 15 | Carnmoney | Antrim | |||
| Monlough | 39 | 64 | 20 | Down | ||||
| Monlough | 39 | 65 | 15 | Comber | Down | T | ||
| Monlough | 39 | 65 | 20 | Down | T | |||
| Monlough | 40 | 65 | x | Comber | Down | T | ||
| Monmurry | 38 | 42 | 18 | Fermanagh | ||||
| Monmurry Lough | 71 | 44 | 19 | Monaghan | ||||
| Monnaboy | 55 | 17 | 7 | Faughanvale | Derry | T | ||
| Monreagh | 35 | 12 | 6 | Taughboyne | Donegal | T | ||
| Monreagh | 35 | 12 | 7 | Taughboyne | Donegal | T | ||
| Monreagh | 38 | 26 | 7 | Kilmackilenny, Barr of | Fahan Upper | Donegal | T | |
| Monree | 13 | 52 | 20 | Down | T | |||
| Monree House | 14 | 53 | 20 | Down | ||||
| Monrush | 80 | 79 | x | Derryloran | Tyrone | T | ||
| Montalto | 92 | 40 | 4 | Antrim | ||||
| Montalto | 92 | 40 | 5 | Antrim | ||||
| Montalto House | 36 | 51 | 20 | Down | ||||
| Monteith | 17 | 40 | 20 | Down | ||||
| Montgomery's Bushes | 33 | 82 | 12 | Tyrone | ||||
| Montgomery's Fort | 20 | 2 | 6 | Calhame | Convoy | Donegal | T | |
| Montgomery's Lough | 38 | 54 | 20 | Down | ||||
| Montiaghs | 9 | 66 | 20 | Antrim | T | |||
| Montiaghs | 98 | 63 | 19 | Armagh | ||||
| Monument | 17 | 49 | 20 | Down | ||||
| Monument | 75 | 44 | 19 | Tyrone | ||||
| Monuntjoy Hill | 55 | 42 | 21 | Down | ||||
| Moodoge | 2 | 44 | 20 | Armagh | T | |||
| Moon | 87 | 24 | 8 | Derry | ||||
| Mooneennahasragh | 5 | 99 | 12 | Donegal | ||||
| Moor Hill | 23 | 52 | 20 | Down | ||||
| Moor Lough | 44 | 98 | 12 | Tyrone | ||||
| Moor View | 16 | 98 | 12 | Donegal | ||||
| Moor, The | 23 | 79 | 14 | Antrim | ||||
| Moor, The | 34 | 54 | 20 | Down | ||||
| Moor, The | 55 | 81 | 15 | Down | ||||
| Moor, The | 86 | 64 | 19 | Tyrone | ||||
| Moordyke | 33 | 0 | 9 | Kilwaughter | Antrim | T | ||
| Moore Farm | 66 | 62 | 21 | Down | ||||
| Moore View | 10 | 75 | 14 | Antrim | ||||
| Moore, Lough | 59 | 48 | 18 | Monaghan | ||||
| Moore's Hill | 57 | 53 | 18 | Kilclay | Tyrone | |||
| Moore's Point | 52 | 50 | 21 | Down | ||||
| Moorecrofts Milltown | 33 | 66 | 15 | Down | ||||
| Moorecrofts Milltown | 34 | 66 | 20 | Down | ||||
| Moorefort | 91 | 25 | 4 | Antrim | ||||
| Moorefort | 91 | 25 | 5 | Antrim | ||||
| Moorefort | 91 | 25 | 8 | Antrim | ||||
| Moores Grove | 13 | 79 | 14 | Antrim | ||||
| Moores Quay | 9 | 78 | 14 | Antrim | ||||
| Moorestown | 12 | 49 | 20 | Down | ||||
| Mooretown Terrace | 45 | 74 | 15 | Down | ||||
| Mooretown Terrace | 45 | 75 | 15 | Down | ||||
| Moorfield | 3 | 4 | 8 | Antrim | ||||
| Moorfield | 26 | 79 | 12 | Tyrone | ||||
| Moorfield | 29 | 58 | 18 | Kilskeery | Tyrone | T | ||
| Moorfield House | 19 | 55 | 20 | Down | ||||
| Moorfields | 18 | 99 | 14 | Antrim | ||||
| Moorfields | 18 | 99 | 9 | Antrim | ||||
| Moorgate | 91 | 33 | 4 | Antrim | ||||
| Moorgate | 91 | 33 | 5 | Antrim | ||||
| Moorhall | 33 | 58 | 20 | Down | ||||
| Moorheadstown | 20 | 80 | 14 | Antrim | ||||
| Moorlough House | 43 | 69 | 18 | Tyrone | ||||
| Moorpark | 40 | 76 | 15 | Down | ||||
| Moortown | 95 | 76 | 14 | Tyrone | ||||
| Moorville | 86 | 76 | 14 | Tyrone | ||||
| Moran's Cross Roads | 90 | 8 | 8 | Derry | ||||
| Moree House | 74 | 71 | 13 | Tyrone | ||||
| Morefield | 12 | 56 | 20 | Down | ||||
| Moress | 32 | 25 | 7 | Inch | Donegal | T | ||
| Moress Point | 34 | 25 | 7 | Inch | Donegal | |||
| Morey Hill | 60 | 79 | 15 | Down | ||||
| Mormeal | 80 | 94 | 13 | Kilcronaghan | Derry | T | ||
| Morne View | 91 | 70 | 14 | Tyrone | ||||
| Morree | 74 | 71 | x | Desertcreat | Tyrone | T | ||
| Morris Hill | 4 | 88 | 14 | Antrim | ||||
| Morrow's Point | 7 | 63 | 20 | Armagh | ||||
| Moses Fields | 33 | 83 | 12 | Tyrone | ||||
| Moss Bay | 6 | 62 | 20 | Armagh | ||||
| Moss Bridge | 20 | 69 | 20 | Antrim | ||||
| Moss Bridge | 33 | 97 | 9 | Antrim | ||||
| Moss Brook | 39 | 66 | 15 | Down | ||||
| Moss Brook | 39 | 66 | 20 | Down | ||||
| Moss Farm | 40 | 76 | 15 | Down | ||||
| Moss House | 23 | 79 | 14 | Antrim | ||||
| Moss Side | 11 | 66 | 20 | Antrim | ||||
| Moss Side | 37 | 59 | 20 | Down | ||||
| Moss Side | 48 | 58 | 21 | Down | ||||
| Moss Side | 63 | 53 | 21 | Down | ||||
| Moss Vale | 22 | 51 | 20 | Down | ||||
| Moss Vale | 31 | 48 | 20 | Down | ||||
| Moss View | 15 | 50 | 20 | Down | ||||
| Moss View | 34 | 57 | 20 | Down | ||||
| Moss View | 46 | 59 | 21 | Down | ||||
| Moss View | 95 | 57 | 19 | Armagh | ||||
| Moss-Side | 1 | 35 | 5 | Grange of Drumtullagh | Antrim | T | ||
| Moss-Side | 23 | 91 | 14 | Kilbride | Antrim | T | ||
| Moss-side Water | 1 | 34 | 5 | Grange of Drumtullagh | Antrim | |||
| Mossbank | 42 | 66 | 21 | Down | ||||
| Mossburnhill | 23 | 82 | 14 | Antrim | ||||
| Mosseys Hill | 49 | 85 | 13 | Tyrone | ||||
| Mossfield | 3 | 14 | x | Gartan | Donegal | T | ||
| Mossfield | 49 | 49 | 18 | Tyrone | ||||
| Mossfield | 94 | 17 | 8 | Antrim | ||||
| Mossgrove | 9 | 90 | 14 | Antrim | ||||
| Mossgrove | 35 | 59 | 20 | Down | ||||
| Mossley | 31 | 85 | 15 | Antrim | ||||
| Mossmore | 79 | 56 | 19 | Clonfeacle | Tyrone | T | ||
| Mosspleasant | 40 | 1 | 7 | Tyrone | ||||
| Mossvale | 9 | 44 | 20 | Down | ||||
| Mossvale | 46 | 64 | 21 | Down | ||||
| Mossvale | 81 | 31 | 4 | Derry | ||||
| Mossvale Terrace | 27 | 46 | 20 | Down | ||||
| Mossy Glen | 62 | 45 | 4 | Moville Lower | Donegal | T | ||
| Mossy Glen Port | 61 | 47 | 4 | Moville Lower | Donegal | |||
| Mostragee | 0 | 31 | 5 | Derrykeighan | Antrim | T | ||
| Motalee | 87 | 92 | 14 | Desertmartin | Derry | T | ||
| Motte | 70 | 49 | 19 | Tyrone | ||||
| Motte | 93 | 64 | 19 | Armagh | ||||
| Motte & Bailey | 4 | 22 | 8 | Antrim | ||||
| Motte & Bailey | 7 | 29 | 5 | Antrim | ||||
| Motte & Bailey | 47 | 16 | 7 | Derry | ||||
| Mouldy Hill | 35 | 28 | 7 | Donegal | ||||
| Mount Alexander | 45 | 70 | 15 | Comber | Down | T | ||
| Mount Alexander | 46 | 70 | 21 | Comber | Down | T | ||
| Mount Bernard | 26 | 84 | x | Urney | Tyrone | T | ||
| Mount Castle | 41 | 5 | 7 | Tyrone | ||||
| Mount Cottage | 12 | 81 | 14 | Antrim | ||||
| Mount Cottages | 14 | 85 | 14 | Antrim | ||||
| Mount Druid (Rectory) | 3 | 44 | 5 | Antrim | ||||
| Mount Hall | 93 | 60 | 19 | Armagh | ||||
| Mount Hamilton | 62 | 94 | 13 | Sperrin | Tyrone | |||
| Mount Hamilton | x | Killagan | Antrim | T | ||||
| Mount Hill | 17 | 42 | 20 | Down | ||||
| Mount Hill | 37 | 98 | 9 | Antrim | ||||
| Mount Panther | 40 | 38 | 21 | Down | ||||
| Mount Pleasant | 61 | 72 | 15 | Down | ||||
| Mount Pleasant | 61 | 72 | 21 | Down | ||||
| Mount Ross | 62 | 52 | 21 | Down | ||||
| Mount Steward House | 55 | 69 | 15 | Down | ||||
| Mount Stewart | 55 | 70 | 15 | Greyabby | Down | T | ||
| Mount Stewart | 55 | 70 | 21 | Greyabbey | Down | T | ||
| Mount Stewart House | 55 | 69 | 21 | Down | ||||
| Mount View | 51 | 74 | 13 | Tyrone | ||||
| Mount View | 80 | 79 | 13 | Tyrone | ||||
| Mount View | 86 | 80 | 14 | Derry | ||||
| Mount View | 98 | 26 | 4 | Antrim | ||||
| Mount View | 98 | 26 | 5 | Antrim | ||||
| Mount View | 98 | 26 | 8 | Antrim | ||||
| Mount, The | 15 | 79 | 14 | Antrim | ||||
| Mount, The | 73 | 64 | 19 | Tyrone | ||||
| Mountaily | 1 | 37 | 5 | Antrim | ||||
| Mountain Lodge | 26 | 80 | 15 | Antrim | ||||
| Mountain Park | 18 | 91 | x | Donaghmore | Donegal | T | ||
| Mountain Terrace | 35 | 46 | 20 | Down | ||||
| Mountain View | 7 | 9 | 8 | Antrim | ||||
| Mountain View | 74 | 93 | 13 | Derry | ||||
| Mountain Water | 58 | 46 | 18 | Monaghan | ||||
| Mountain Water | 68 | 42 | 19 | Monaghan | ||||
| Mountain Wood | 56 | 49 | 21 | Down | ||||
| Mountainpark | 25 | 4 | 6 | Raphoe | Donegal | T | ||
| Mountainquarter | 51 | 46 | 21 | Down | ||||
| Mountainview | 25 | 96 | 9 | Antrim | ||||
| Mountcastle | 41 | 5 | 7 | Ardugboy | Donaghedy | Tyrone | T | |
| Mountdrum | 30 | 43 | 18 | Fermanagh | ||||
| Mounteely | 33 | 91 | 12 | Tyrone | ||||
| Mountfield | 53 | 77 | 13 | Tyrone | ||||
| Mountfield Lodge | 52 | 78 | 13 | Tyrone | ||||
| Mounthall | 20 | 91 | x | Donaghmore | Donegal | T | ||
| Mounthall House | 20 | 91 | 12 | Donaghmore | Donegal | |||
| Mountinpark | 17 | 91 | 12 | Donegal | ||||
| Mountjoy | 42 | 78 | 12 | Cappagh | Tyrone | |||
| Mountjoy | 90 | 68 | 19 | Clonloe | Tyrone | |||
| Mountjoy Bridge | 42 | 77 | 12 | Cappagh | Tyrone | |||
| Mountjoy Castle | 89 | 68 | 19 | Clonloe | Tyrone | |||
| Mountjoy Forest | 43 | 75 | 12 | Cappagh | Tyrone | |||
| Mountjoy Forest East | 45 | 76 | x | Cappagh | Tyrone | T | ||
| Mountjoy Forest West | 43 | 76 | x | Cappagh | Tyrone | T | ||
| Mountjoy House | 44 | 76 | 12 | Cappagh | Tyrone | |||
| Mountjoy, Old | 45 | 76 | 13 | Cappagh | Tyrone | |||
| Mountnab | 93 | 40 | 19 | Armagh | ||||
| Mountpleasant House | 27 | 86 | 15 | Antrim | ||||
| Mountpleasure | 5 | 14 | 6 | Gartan | Donegal | T | ||
| Mountsandel | 85 | 30 | x | Coleraine | Derry | T | ||
| Mountsandel Fort | 85 | 30 | 4 | Coleraine | Derry | |||
| Mountview | 4 | 96 | 14 | Antrim | ||||
| Mourn Hill | 92 | 13 | 8 | Derry | ||||
| Mourne Beg | 23 | 83 | 12 | Termonamongan | Tyrone | T | ||
| Mourne Beg Bridge | 22 | 82 | 12 | Tyrone | ||||
| Mourne Beg River | 9 | 88 | 12 | Donegal | ||||
| Mourne Beg River | 18 | 83 | 12 | Tyrone | ||||
| Mourne Bridge | 20 | 83 | 12 | Tyrone | ||||
| Mourne Bridge | 33 | 97 | 12 | Tyrone | ||||
| Mourne Lough | 41 | 92 | 15 | Antrim | ||||
| Mourne River | 33 | 97 | 6 | Tyrone | ||||
| Mourne River | 34 | 92 | 12 | Tyrone | ||||
| Mourne View | 5 | 42 | 20 | Armagh | ||||
| Mourne View | 17 | 82 | 12 | Tyrone | ||||
| Mourne View | 21 | 55 | 20 | Down | ||||
| Mourne View | 34 | 93 | 12 | Tyrone | ||||
| Mourne View | 42 | 41 | 21 | Down | ||||
| Mourne View | 57 | 71 | 15 | Down | ||||
| Mourne View | 57 | 71 | 21 | Down | ||||
| Mourne, Lough | 6 | 89 | 12 | Donegal | ||||
| Mourneleigh | 39 | 86 | 12 | Tyrone | ||||
| Mousetown | 84 | 68 | 19 | Clonloe | Tyrone | T | ||
| Movanagher | 91 | 15 | 8 | Kilrea | Derry | T | ||
| Movarran | 18 | 72 | 12 | Fermanagh | ||||
| Moveagh | 78 | 75 | 13 | Derryloran | Tyrone | T | ||
| Movenis | 86 | 16 | 8 | Catherwoodstown | Desertoghill | Derry | T | |
| Movenis Bridge | 86 | 16 | 8 | Desertoghill | Derry | |||
| Movilla | 50 | 74 | 15 | Newtownards | Down | T | ||
| Moville | 61 | 38 | 4 | Donegal | ||||
| Moy | 84 | 56 | 19 | Clonfeacle | Tyrone | T | ||
| Moy Bridge | 66 | 50 | 19 | Tyrone | ||||
| Moyadam | 25 | 88 | x | Grange of Nilteen | Antrim | T | ||
| Moyagall | x | Maghera | Derry | T | ||||
| Moyagh | 18 | 22 | 6 | Tullyfern | Donegal | T | ||
| Moyagh | 40 | 4 | 7 | Donaghedy | Tyrone | T | ||
| Moyagoney | 93 | 6 | 8 | Kilrea | Derry | T | ||
| Moyallon | 5 | 50 | 20 | Down | ||||
| Moyard | 69 | 90 | 13 | Ballynascreen | Derry | T | ||
| Moyard | 82 | 52 | x | Clonfeacle | Tyrone | T | ||
| Moyarget Lodge | 7 | 38 | 5 | Romoan | Antrim | |||
| Moyarget Lower | 7 | 38 | x | Romoan | Antrim | T | ||
| Moyarget Wood | 6 | 38 | 5 | Romoan | Antrim | |||
| Moyasset | 4 | 3 | 8 | Ahoghill | Antrim | T | ||
| Moyaver Lower | x | Armoy | Antrim | T | ||||
| Moybeg Kirley | x | Kilcronaghan | Derry | T | ||||
| Moybrick Upper | 26 | 47 | 20 | Down | T | |||
| Moycraig Macallister | 1 | 36 | x | Billy | Antrim | T | ||
| Moycraig Upper | 1 | 36 | 5 | Billy | Antrim | |||
| Moycraig Wood | 1 | 37 | 5 | Billy | Antrim | |||
| Moydalgan | 28 | 50 | 20 | Down | T | |||
| Moydamiaght | 75 | 97 | 13 | Derry | ||||
| Moydamlaght | 74 | 99 | x | Ballynascreen | Derry | T | ||
| Moydamlaght Forest | 74 | 0 | 8 | Ballynascreen | Derry | |||
| Moydamlaght Forest | 74 | 99 | 13 | Ballynascreen | Derry | |||
| Moyesset | 83 | 95 | 13 | Kilcronaghan | Derry | T | ||
| Moygannon | 12 | 52 | 20 | Down | T | |||
| Moygashel | 80 | 59 | 19 | Clonfeacle | Tyrone | T | ||
| Moyheeland | x | Ballynascreen | Derry | T | ||||
| Moykeeran | 77 | 95 | 13 | Ballynascreen | Derry | T | ||
| Moyknock | x | Kilrea | Derry | T | ||||
| Moylagh | 50 | 64 | 18 | Mullach | Clogherny | Tyrone | T | Bare Hills |
| Moylarg | 5 | 8 | 8 | Craigs | Antrim | T | ||
| Moyle | 30 | 16 | 6 | All Saints | Donegal | T | ||
| Moyle Bridge | 41 | 86 | 12 | Tyrone | ||||
| Moyle Glebe | 41 | 85 | 12 | Ardstraw | Tyrone | T | ||
| Moyle Hill | 90 | 34 | 4 | Derry | ||||
| Moyle Hill | 90 | 34 | 5 | Antrim | ||||
| Moyle House | 41 | 85 | 12 | Tyrone | ||||
| Moyle Island | 41 | 84 | 12 | Tyrone | ||||
| Moyle Way, The | 13 | 31 | 5 | Antrim | ||||
| Moyle Way, The | 17 | 23 | 9 | Antrim | ||||
| Moyle, Upper | 41 | 85 | 12 | Tyrone | ||||
| Moylehill | 18 | 23 | 6 | Tullyfern | Donegal | T | ||
| Moylemoss | 30 | 17 | 6 | All Saints | Donegal | T | ||
| Moylemoss | 30 | 17 | 7 | All Saints | Donegal | T | ||
| Moyletra Kill (& Toy) | 86 | 13 | x | Desertoghill | Derry | T | ||
| Moylinny | x | Antrim | Antrim | T | ||||
| Moymore | 52 | 54 | 21 | Killyleagh | Down | T | ||
| Moymore | 70 | 74 | 13 | Momor, Momore | Desertcreat | Tyrone | T | |
| Moymucklemurry | 86 | 86 | 14 | Desertlyn | Derry | T | ||
| Moynagh | 77 | 71 | x | Desertcreat | Tyrone | T | ||
| Moynaghan North | 20 | 60 | 18 | Fermanagh | ||||
| Moynatamoga | 68 | 77 | 13 | Tyrone | ||||
| Moyola Park | 92 | 93 | 14 | Derry | ||||
| Moyola River | 89 | 95 | 14 | Derry | ||||
| Moyola Water Foot | 96 | 89 | 14 | Derry | ||||
| Moyra | 25 | 91 | 15 | Antrim | ||||
| Moyraverty | 5 | 55 | 20 | Armagh | T | |||
| Moyroe | 85 | 60 | x | Killyman | Tyrone | T | ||
| Moyroe Corner | 84 | 60 | 19 | Killyman | Tyrone | |||
| Moyrourkan Lough | 98 | 42 | 19 | Armagh | ||||
| Moyrusk | 19 | 63 | 20 | Antrim | T | |||
| Moys | 65 | 17 | 7 | Carrick | Derry | T | ||
| Moysnaght | 41 | 52 | 18 | Fermanagh | ||||
| Moysnaght Forest | 41 | 51 | 18 | Tyrone | ||||
| Muck Lough | 43 | 68 | 18 | Tyrone | ||||
| Muck, Lough | 96 | 8 | 6 | Donegal | ||||
| Muckamore | 16 | 85 | 14 | Grange of Muckamore | Antrim | T | ||
| Muckamore Abbey Hospital | 16 | 84 | 14 | Grange of Muckamore | Antrim | |||
| Muckamore House | 16 | 85 | 14 | Grange of Muckamore | Antrim | |||
| Mucker | 65 | 85 | 13 | Tyrone | ||||
| Muckery | 98 | 61 | 19 | Armagh | ||||
| Mucklagh Hill | 35 | 43 | 18 | Fermanagh | ||||
| Muckle Hill | 24 | 85 | 12 | Tyrone | ||||
| Muckle Rocks | 52 | 41 | 18 | Fermanagh | ||||
| Muckleramer | 5 | 94 | 14 | Drummaul | Antrim | T | ||
| Muckragh Hill | 8 | 64 | 20 | Antrim | ||||
| Muddyderg | 10 | 87 | 14 | Antrim | ||||
| Muff | 46 | 24 | 7 | Donegal | ||||
| Muff | 53 | 20 | 7 | Faughanvale | Derry | T | ||
| Muff | 82 | 81 | 13 | Lissan | Derry | T | ||
| Muff Glen | 52 | 18 | 7 | Derry | ||||
| Muff River | 52 | 20 | 7 | Derry | ||||
| Mugheraboy Burn | 51 | 82 | 13 | Tyrone | ||||
| Muhine Bridge | 32 | 99 | 6 | Donegal | ||||
| Muir | 3 | 14 | 8 | Antrim | ||||
| Mulboy | 77 | 60 | x | Clonfeacle | Tyrone | T | ||
| Mulderg | 53 | 78 | 13 | Tyrone | ||||
| Mulderg | 56 | 8 | 7 | Cumber Upper | Derry | T | ||
| Muldersleigh Hill | 47 | 93 | 15 | Antrim | ||||
| Muldonagh | 59 | 10 | 7 | Bovevagh | Derry | T | ||
| Mulhern's Town | 2 | 1 | 6 | Donegal | ||||
| Mulhollands Town | 94 | 99 | 14 | Derry | ||||
| Mulkeeragh | 64 | 21 | 4 | Tamlaght Finlagan | Derry | T | ||
| Mulkeeragh | 64 | 21 | 7 | Tamlaght Finlagan | Derry | T | ||
| Mulkeeragh | 69 | 15 | 7 | Carrick | Derry | T | ||
| Mulkeeragh Wood | 63 | 21 | 4 | Tamlaght Finlagan | Derry | |||
| Mulkeeragh Wood | 63 | 21 | 7 | Tamlaght Finlagan | Derry | |||
| Mulken, Lough | 19 | 76 | 12 | Tyrone | ||||
| Mullaboy | 1 | 18 | 8 | Antrim | ||||
| Mullaboy | 51 | 13 | 7 | Cumber Lower | Derry | T | ||
| Mullabrack | 6 | 46 | 20 | Down | T | |||
| Mullabryan | 67 | 47 | 19 | Monaghan | ||||
| Mulladry Cottage | 97 | 49 | 19 | Armagh | ||||
| Mullafernaghan | 15 | 48 | 20 | Down | T | |||
| Mullafin | 22 | 5 | 6 | Raphoe | Donegal | T | ||
| Mullafin | 26 | 5 | 6 | Donegal | ||||
| Mullagh | 33 | 82 | 12 | Ardstraw | Tyrone | T | ||
| Mullagh | 50 | 50 | x | Killyleagh | Down | T | ||
| Mullagh | 85 | 98 | 14 | Termoneeny | Derry | T | ||
| Mullagh | 97 | 93 | 14 | Derry | ||||
| Mullagh | x | Tamlaght Finlagan | Derry | T | ||||
| Mullagh Bridge | 85 | 99 | 14 | Derry | ||||
| Mullagh Church | 85 | 99 | 14 | Derry | ||||
| Mullagh Hill | 66 | 21 | 7 | Derry | ||||
| Mullagh-Meash | 62 | 7 | 7 | Derry | ||||
| Mullaghacall, North | 82 | 37 | 4 | Ballyaghran | Derry | T | ||
| Mullaghacall, South | 82 | 37 | 4 | Ballyaghran | Derry | |||
| Mullaghacoula | 66 | 87 | 13 | Tyrone | ||||
| Mullaghacreevy | 76 | 63 | 19 | Donaghmore | Tyrone | T | ||
| Mullaghadrolly | 78 | 60 | x | Donaghmore | Tyrone | T | ||
| Mullaghadun | 80 | 63 | x | Drumglass | Tyrone | T | ||
| Mullaghagarry | 17 | 97 | 6 | Stranorlar | Donegal | T | ||
| Mullaghamley | 37 | 87 | 12 | Tyrone | ||||
| Mullaghan Hill | 5 | 98 | 6 | Donegal | ||||
| Mullaghan Hill | 5 | 98 | 12 | Donegal | ||||
| Mullaghanagh | 79 | 61 | x | Donaghmore | Tyrone | T | ||
| Mullaghane | 31 | 13 | 9 | Antrim | ||||
| Mullaghaneany | 68 | 98 | 13 | Derry | ||||
| Mullaghaneary | 17 | 91 | 12 | Donaghmore | Donegal | T | ||
| Mullaghanimma | 53 | 98 | 13 | Tyrone | ||||
| Mullaghanny | 28 | 1 | 6 | Clonleigh | Donegal | T | ||
| Mullaghardy Point | 98 | 97 | 14 | Antrim | ||||
| Mullagharn | 39 | 74 | x | Drumragh | Tyrone | T | Hiltop of the cairn | |
| Mullagharn (Young) | 40 | 75 | x | Drumragh | Tyrone | T | ||
| Mullagharn House | 39 | 74 | 12 | Tyrone | ||||
| Mullaghasallagh | 68 | 94 | 13 | Tyrone | ||||
| Mullaghash | 64 | 1 | 7 | Derry | ||||
| Mullaghashahe | 36 | 73 | 12 | Tyrone | ||||
| Mullaghasturrakeen | 54 | 94 | 13 | Tyrone | ||||
| Mullaghaterrive | 52 | 93 | 13 | Tyrone | ||||
| Mullaghbane | 37 | 65 | 18 | Dromore | Tyrone | T | ||
| Mullaghbane | 54 | 81 | 13 | Tyrone | ||||
| Mullaghbane | 64 | 58 | x | Carnteel | Tyrone | T | ||
| Mullaghbane | 65 | 92 | 13 | Tyrone | ||||
| Mullaghbane | 73 | 59 | 19 | Donaghmore | Tyrone | T | ||
| Mullaghbane | 90 | 47 | 19 | Armagh | ||||
| Mullaghbane Moss | 73 | 59 | 19 | Tyrone | ||||
| Mullaghbolig | 56 | 89 | 13 | Tyrone | ||||
| Mullaghboy | 45 | 0 | 9 | Islandmagee | Antrim | T | ||
| Mullaghboy | 82 | 54 | x | Clonfeacle | Tyrone | T | ||
| Mullaghboy | 94 | 97 | 14 | Ballyscullion | Derry | T | ||
| Mullaghboy | 88 | 90 | x | Magherafelt | Derry | T | ||
| Mullaghboy Hill | 25 | 12 | 9 | Antrim | ||||
| Mullaghboy Hill | 88 | 90 | 14 | Magherafelt | Derry | |||
| Mullaghbrack | 95 | 42 | 19 | Armagh | ||||
| Mullaghcarbatagh | 51 | 94 | 13 | Tyrone | ||||
| Mullaghcarn | 51 | 80 | 13 | Tyrone | ||||
| Mullaghcarn | 65 | 3 | 7 | Derry | ||||
| Mullaghcarton | 20 | 65 | 20 | Antrim | T | |||
| Mullaghclogha | 55 | 95 | 13 | Tyrone | ||||
| Mullaghclogher | 52 | 94 | 13 | Tyrone | ||||
| Mullaghconor Glebe | 77 | 63 | x | Donaghmore | Tyrone | T | ||
| Mullaghcroy | 32 | 81 | 12 | Tyrone | ||||
| Mullaghdaly | 78 | 59 | 19 | Clonfeacle | Tyrone | T | ||
| Mullaghdoo | 47 | 95 | 9 | Islandmagee | Antrim | T | ||
| Mullaghdoo | 56 | 96 | 13 | Tyrone | ||||
| Mullaghdrin | 29 | 52 | 20 | Down | T | |||
| Mullaghduff | 4 | 33 | 5 | Derrykeighan | Antrim | T | ||
| Mullaghduff | 5 | 33 | 5 | Derrykeighan | Antrim | T | ||
| Mullaghduff Big | 4 | 33 | x | Armoy | Antrim | T | ||
| Mullagheep | 17 | 19 | 6 | Tullyfern | Donegal | T | ||
| Mullaghese | 70 | 56 | x | Carnteel | Tyrone | T | ||
| Mullaghfad | 50 | 40 | 18 | Aghalurcher | Fermanagh | T | ||
| Mullaghfad Forest | 50 | 40 | 18 | Aghalurcher | Fermanagh | |||
| Mullaghfin | 17 | 4 | 6 | Convoy | Donegal | T | ||
| Mullaghfurland | 75 | 66 | 19 | Tyrone | ||||
| Mullaghfurtherland | 75 | 66 | 19 | Donaghmore | Tyrone | T | ||
| Mullaghgaun | 2 | 88 | x | Duneane | Antrim | T | ||
| Mullaghgaun House | 2 | 88 | 14 | Duneane | Antrim | |||
| Mullaghglass | 4 | 43 | 20 | Armagh | T | |||
| Mullaghglass | 24 | 69 | 20 | Antrim | T | |||
| Mullaghglass | 25 | 69 | x | Derryaghy | Antrim | T | ||
| Mullaghglass | 28 | 68 | 18 | Fermanagh | ||||
| Mullaghglass | 89 | 75 | x | Arboe | Tyrone | T | ||
| Mullaghgreean | 54 | 91 | 13 | Tyrone | ||||
| Mullaghinch | 87 | 20 | 4 | Aghadowey | Derry | T | ||
| Mullaghinch | 87 | 20 | 8 | Aghadowey | Derry | T | ||
| Mullaghlahan | 78 | 95 | 13 | Derry | ||||
| Mullaghlongfield | 77 | 56 | x | Clonfeacle | Tyrone | T | ||
| Mullaghmarget | 82 | 64 | x | Tullyniskan | Tyrone | T | ||
| Mullaghmassa | 55 | 62 | 18 | Tyrone | ||||
| Mullaghmeash Hill | 62 | 7 | 7 | Derry | ||||
| Mullaghmeen | 37 | 58 | 18 | Tyrone | ||||
| Mullaghmeen House | 25 | 49 | 18 | Fermanagh | ||||
| Mullaghmenagh | 42 | 73 | 12 | Tyrone | ||||
| Mullaghmenagh | 53 | 94 | 13 | Tyrone | ||||
| Mullaghmenagh Lower | 42 | 75 | x | Drumragh | Tyrone | T | ||
| Mullaghmenagh Upper | 42 | 75 | x | Drumragh | Tyrone | T | ||
| Mullaghmore | 42 | 68 | x | Drumragh | Tyrone | T | Big hill | |
| Mullaghmore | 46 | 73 | x | Cappagh | Tyrone | T | ||
| Mullaghmore | 47 | 64 | 18 | Clogherny | Tyrone | T | ||
| Mullaghmore | 48 | 49 | 18 | Aghalurcher | Tyrone | T | ||
| Mullaghmore | 53 | 50 | 18 | Clogher | Tyrone | |||
| Mullaghmore | 57 | 53 | 18 | Clogher | Tyrone | T | ||
| Mullaghmore | 73 | 1 | 8 | Derry | ||||
| Mullaghmore | 77 | 64 | 19 | Donaghmore | Tyrone | T | ||
| Mullaghmore | 87 | 53 | 19 | Armagh | ||||
| Mullaghmore & Glebe) | 88 | 22 | 4 | Agivey | Derry | T | ||
| Mullaghmore & Glebe) | 89 | 22 | 8 | Agivey | Derry | T | ||
| Mullaghmore Bridge | 20 | 64 | 18 | Fermanagh | ||||
| Mullaghmore Bridge | 57 | 53 | 18 | Tyrone | ||||
| Mullaghmore East | 76 | 48 | x | Aghanloo | Tyrone | T | ||
| Mullaghmore Glebe | 75 | 63 | x | Donaghmore | Tyrone | T | ||
| Mullaghmore Lough | 75 | 63 | 19 | Tyrone | ||||
| Mullaghmore West | 68 | 53 | x | Aghanloo | Tyrone | T | ||
| Mullaghmosagh | 9 | 24 | 8 | Antrim | ||||
| Mullaghmossagh | 73 | 45 | x | Aghanloo | Tyrone | T | ||
| Mullaghmossan | 42 | 96 | 9 | Glynn | Antrim | T | ||
| Mullaghmossog Glebe | 82 | 55 | x | Clonfeacle | Tyrone | T | ||
| Mullaghmoyle | 84 | 69 | 19 | Donaghenry | Tyrone | T | ||
| Mullaghmoyle House | 84 | 69 | 19 | Donaghenry | Tyrone | |||
| Mullaghmussy | 40 | 55 | 18 | Tyrone | ||||
| Mullaghnabuoyah | 71 | 73 | 13 | Tyrone | ||||
| Mullaghnageeragh | 9 | 87 | 12 | Donegal | ||||
| Mullaghnahunchoge | 25 | 68 | 18 | Fermanagh | ||||
| Mullaghnahush | 47 | 53 | 18 | Tyrone | ||||
| Mullaghnamac | 28 | 71 | 12 | Tyrone | ||||
| Mullaghpeak | 68 | 40 | 19 | Monaghan | ||||
| Mullaghrawer | 63 | 95 | 13 | Tyrone | ||||
| Mullaghree Cottage | 21 | 43 | 18 | Fermanagh | ||||
| Mullaghroddan | 77 | 67 | 19 | Donaghmore | Tyrone | T | ||
| Mullaghroe | 62 | 40 | 4 | Donegal | ||||
| Mullaghrour | 55 | 93 | 13 | Tyrone | ||||
| Mullaghsandall | 31 | 4 | 9 | Kilwaughter | Antrim | T | ||
| Mullaghsandall Bridge | 31 | 5 | 9 | Antrim | ||||
| Mullaghsandall Burn | 32 | 3 | 9 | Antrim | ||||
| Mullaghshantullagh | 78 | 73 | x | Desertcreat | Tyrone | T | ||
| Mullaghshuraren | 70 | 89 | 13 | Derry | ||||
| Mullaghsillogagh House | 42 | 50 | 18 | Fermanagh | ||||
| Mullaghslin Gap | 56 | 73 | 13 | Clogherny | Tyrone | |||
| Mullaghslin Glebe | 56 | 72 | x | Clogherny | Tyrone | T | ||
| Mullaghslin House | 56 | 72 | 13 | Termonmaguirk | Tyrone | Hill of flags (flat stones) | ||
| Mullaghtagarry Wood | 18 | 97 | 12 | Donegal | ||||
| Mullaghteige | 82 | 64 | x | Killyman | Tyrone | T | ||
| Mullaghtinny | 54 | 51 | 18 | Clogher | Tyrone | T | ||
| Mullaghtironey | 89 | 77 | 14 | Tamlaght | Tyrone | T | ||
| Mullaghturk | 67 | 89 | 13 | Tyrone | ||||
| Mullaghwotragh | 91 | 77 | x | Arboe | Tyrone | T | ||
| Mullaghy | 20 | 40 | 18 | Fermanagh | ||||
| Mullahead | 3 | 49 | 20 | Armagh | T | |||
| Mullaleish | 96 | 47 | 19 | Armagh | ||||
| Mullaliss | 71 | 43 | 19 | Monaghan | ||||
| Mullan | 0 | 23 | 8 | Antrim | ||||
| Mullan | 59 | 71 | 13 | Tyrone | ||||
| Mullan | 70 | 46 | 19 | Monaghan | ||||
| Mullan | 84 | 22 | 4 | Aghadowey | Derry | T | ||
| Mullan | 84 | 22 | 8 | Aghadowey | Derry | T | ||
| Mullan | 90 | 15 | 8 | Kilrea | Derry | T | ||
| Mullan Head | 97 | 18 | 8 | Antrim | ||||
| Mullan Hill | 81 | 33 | 4 | Dunboe | Derry | |||
| Mullan Lough | 76 | 40 | 19 | Armagh | ||||
| Mullan Wood | 55 | 86 | 13 | Tyrone | ||||
| Mullan, Lower | 94 | 80 | 14 | Ballinderry | Tyrone | T | ||
| Mullan, Upper | 94 | 79 | x | Ballinderry | Tyrone | T | ||
| Mullan's Town | 62 | 66 | 19 | Tyrone | ||||
| Mullanabreen | 20 | 82 | 12 | Termonamongan | Tyrone | T | ||
| Mullanabreen Hill | 20 | 82 | 12 | Tyrone | ||||
| Mullanachose | 10 | 94 | 6 | Stranorlar | Donegal | T | ||
| Mullanachose | 10 | 94 | 12 | Stranorlar | Donegal | T | ||
| Mullanaclug | 23 | 41 | 18 | Fermanagh | ||||
| Mullanacross | 65 | 49 | 19 | Armagh | ||||
| Mullanadee | 30 | 24 | 7 | Donegal | ||||
| Mullanaghy | 44 | 26 | 7 | Donegal | ||||
| Mullanahaltore | 46 | 43 | 18 | Fermanagh | ||||
| Mullanahoe | 93 | 74 | 14 | Arboe | Tyrone | T | ||
| Mullanakill | 23 | 40 | 18 | Fermanagh | ||||
| Mullanakill | 97 | 97 | 14 | Derry | ||||
| Mullanard | 19 | 99 | 6 | Convoy | Donegal | T | ||
| Mullanard | 20 | 99 | 12 | Convoy | Donegal | T | ||
| Mullanary | 1 | 40 | 20 | Armagh | T | |||
| Mullanary | 85 | 52 | 19 | Clonfeacle | Armagh | T | ||
| Mullanasilla | 92 | 46 | 19 | Armagh | ||||
| Mullanaskea | 28 | 45 | 18 | Fermanagh | ||||
| Mullanatoomog | 38 | 76 | 12 | Drumragh | Tyrone | T | ||
| Mullanbane | 45 | 24 | 7 | Donegal | ||||
| Mullanbeg | 61 | 73 | 13 | Mullan Beg | Termonmaguirk | Tyrone | T | |
| Mullanboy | 25 | 93 | 12 | Urney, Donaghmore | Donegal | T | ||
| Mullanboy | 35 | 64 | 18 | Dromore | Tyrone | T | ||
| Mullanboy | 43 | 63 | 18 | Donacavey | Tyrone | T | ||
| Mullanboy Hill | 12 | 15 | 6 | Donegal | ||||
| Mullandrait | 16 | 95 | 6 | Stranorlar | Donegal | T | ||
| Mullane | 70 | 25 | 4 | Drumachose | Derry | T | ||
| Mullane | 70 | 25 | 8 | Drumachose | Derry | T | ||
| Mullangore | 1 | 19 | 6 | Gartan | Donegal | T | ||
| Mullanhead | 81 | 33 | x | Dunboe | Derry | T | ||
| Mullanimerish | 30 | 76 | 12 | Tyrone | ||||
| Mullanmeen | 16 | 70 | 12 | Donegal | ||||
| Mullanmore | 60 | 74 | 13 | Mullan More | Termonmaguirk | Tyrone | T | |
| Mullanmore Bridge | 60 | 74 | 13 | Tyrone | ||||
| Mullanrody | 25 | 62 | 18 | Fermanagh | ||||
| Mullans | 42 | 61 | 18 | Donacavey | Tyrone | T | ||
| Mullans | 50 | 55 | 18 | Tyrone | ||||
| Mullans | 57 | 52 | 18 | Mullans (Killyfaddy) | Clogher | Tyrone | T | |
| Mullans | 95 | 17 | x | Finvoy | Antrim | T | ||
| Mullans Bridge | 95 | 17 | 8 | Finvoy | Antrim | |||
| Mullans Town | 84 | 4 | 8 | Derry | ||||
| Mullantaine | 85 | 70 | x | Donaghenry | Tyrone | T | ||
| Mullantaine | 98 | 52 | 19 | Armagh | ||||
| Mullarts | 22 | 31 | 5 | Romoan | Antrim | T | ||
| Mullasawny | 29 | 5 | 6 | Donegal | ||||
| Mullasiloga | 41 | 58 | x | Donacavey | Tyrone | T | ||
| Mullavilly | 1 | 47 | 20 | Armagh | T | |||
| Mullawinny | 40 | 65 | 18 | Donacavey | Tyrone | T | ||
| Mullen Point | 95 | 80 | 14 | Tyrone | ||||
| Mullenakill | 88 | 61 | 19 | Killyman | Tyrone | T | ||
| Mullennan | 39 | 12 | 7 | Templemore | Derry | T | ||
| Mullens Hill | 86 | 57 | 19 | Armagh | ||||
| Mulleny | 33 | 20 | 6 | Burt | Donegal | T | ||
| Mulleny | 33 | 20 | 7 | Burt | Donegal | T | ||
| Mulliagh Highland | 89 | 78 | 14 | Tyrone | ||||
| Mullinabrone | x | Aghadowey | Derry | T | ||||
| Mullinaskeagh | 20 | 25 | 5 | Antrim | ||||
| Mullindavart | 37 | 74 | 12 | Tyrone | ||||
| Mullindress | x | Rathlin Island | Antrim | T | ||||
| Mullingar | 20 | 95 | 12 | Donaghmore | Donegal | T | ||
| Mullingar | 21 | 95 | 6 | Donaghmore | Donegal | T | ||
| Mullins Hill | 2 | 47 | 20 | Armagh | ||||
| Mullintor | 75 | 50 | x | Aghanloo | Tyrone | T | ||
| Mullnagore | 76 | 69 | 19 | Mulnagore | Pomeroy | Tyrone | T | |
| Mullnaveagh | 30 | 2 | 6 | Clonleigh | Donegal | T | ||
| Mullnaveagh | 30 | 2 | 7 | Clonleigh | Donegal | T | ||
| Mullog Point | 60 | 45 | 21 | Down | ||||
| Mully Burn | 25 | 17 | 9 | Antrim | ||||
| Mullybrannon | 80 | 59 | 19 | Clonfeacle | Tyrone | T | ||
| Mullycar | 74 | 56 | x | Clonfeacle | Tyrone | T | ||
| Mullycar Lough | 74 | 56 | 19 | Clonfeacle | Tyrone | |||
| Mullycarnan | 73 | 50 | x | Aghanloo | Tyrone | T | ||
| Mullycarnan | 79 | 58 | 19 | Clonfeacle | Tyrone | T | ||
| Mullycrunnet | 76 | 67 | x | Donaghmore | Tyrone | T | ||
| Mullydoo | 56 | 85 | 13 | Tyrone | ||||
| Mullyfa | 11 | 80 | 12 | Tyrone | ||||
| Mullyfabeg | 12 | 80 | 12 | Termonamongan | Tyrone | T | ||
| Mullygruen | 76 | 65 | x | Donaghmore | Tyrone | T | ||
| Mullygruen Lough | 75 | 65 | 19 | Tyrone | ||||
| Mullyknock | 31 | 45 | 18 | Topped Mountain | Fermanagh | |||
| Mullyleggan | 84 | 51 | 19 | Clonfeacle | Armagh | T | ||
| Mullyleggan Bridge | 84 | 51 | 19 | Armagh | ||||
| Mullyloughan House | 82 | 49 | 19 | Armagh | ||||
| Mullyloughran | 90 | 45 | 19 | Armagh | ||||
| Mullynavale | 51 | 42 | 18 | Aghalurcher | Fermanagh | T | ||
| Mullynaveagh | 75 | 48 | 19 | Aghanloo | Tyrone | T | ||
| Mullyneill | 74 | 50 | 19 | Aghanloo | Tyrone | T | ||
| Mullynure | 73 | 73 | 13 | Desertcreat | Tyrone | T | ||
| Mullynure | 88 | 46 | 19 | Armagh | ||||
| Mullyroddan | 72 | 58 | x | Killeeshil | Tyrone | T | ||
| Mullysilly | 67 | 62 | x | Killeeshil | Tyrone | T | ||
| Mullyyroddan | 72 | 57 | 19 | Tyrone | ||||
| Mulnacarry | 57 | 54 | 21 | Down | ||||
| Mulnafye | 55 | 77 | 13 | Barraclay | Termonmaguirk | Tyrone | T | |
| Mulnageeragh | 40 | 56 | 18 | Tyrone | ||||
| Mulnagoagh | 35 | 61 | 18 | Dromore | Tyrone | T | ||
| Mulnagork | 30 | 53 | 18 | Kilskeery | Tyrone | T | ||
| Mulnagung | 31 | 2 | 6 | Clonleigh | Donegal | T | ||
| Mulnagung | 31 | 2 | 7 | Clonleigh | Donegal | T | ||
| Mulnahorn | 67 | 50 | 19 | Aghanloo | Tyrone | T | ||
| Mulnahunch | 70 | 59 | x | Killeeshil | Tyrone | T | ||
| Mulnahunch House | 70 | 60 | 19 | Killeeshil | Tyrone | |||
| Mulnavar | 30 | 77 | 12 | Tyrone | ||||
| Mulnavar House | 31 | 77 | 12 | Tyrone | ||||
| Mulnavaud | 33 | 57 | 18 | Tyrone | ||||
| Mulnavoo | 78 | 96 | 13 | Ballynascreen | Derry | T | ||
| Mulnvar Lodge | 32 | 77 | 12 | Tyrone | ||||
| Mulreavy, Lough | 5 | 77 | 12 | Donegal | ||||
| Mulshane Lough | 31 | 50 | 18 | Fermanagh | ||||
| Multyhogy | 37 | 72 | x | Knockbreda | Down | T | ||
| Mulvin | 35 | 90 | 12 | Ardstraw | Tyrone | T | ||
| Mulvin Parks | 35 | 88 | 12 | Tyrone | ||||
| Munalohug | 63 | 10 | 7 | Derry | ||||
| Munderrydoe | 73 | 70 | 13 | Pomeroy | Tyrone | T | ||
| Munie | 25 | 81 | x | Urney | Tyrone | T | ||
| Munie | 28 | 11 | 9 | Tickmacrevan | Antrim | T | ||
| Munie House | 25 | 81 | 12 | Urney | Tyrone | |||
| Munreery | 60 | 9 | 7 | Derry | ||||
| Munreery Bridge | 61 | 9 | 7 | Derry | ||||
| Muntertinny | 24 | 4 | 6 | Raphoe | Donegal | T | ||
| Muntober | 74 | 81 | 13 | Kildress | Tyrone | T | ||
| Mur Lough | 6 | 77 | 12 | Donegal | ||||
| Murder Bridge | 43 | 76 | 15 | Down | ||||
| Murder Hill | 40 | 99 | 12 | Tyrone | ||||
| Murder Hole | 74 | 29 | 4 | Derry | ||||
| Murder Hole | 74 | 29 | 8 | Derry | ||||
| Murley Bridge | 43 | 51 | 18 | Tyrone | ||||
| Murley Cross Roads | 44 | 51 | 18 | Tyrone | ||||
| Murlough | 29 | 16 | 6 | All Saints | Donegal | T | ||
| Murlough | 31 | 99 | 6 | Clonleigh | Donegal | T | ||
| Murlough | 31 | 99 | 12 | Clonleigh | Donegal | T | ||
| Murlough Bay | 20 | 42 | 5 | Antrim | ||||
| Murlough Farm | 40 | 35 | 21 | Down | ||||
| Murlough House | 41 | 35 | 21 | Down | ||||
| Murlough Lower | 40 | 34 | 21 | Kilmegan | Down | T | ||
| Murlough Nature Reserve | 40 | 34 | 21 | Down | ||||
| Murnee Hills | 70 | 5 | 8 | Derry | ||||
| Murnells | 68 | 76 | 13 | Kildress | Tyrone | T | ||
| Murohy's Hill | 50 | 37 | 21 | Down | ||||
| Murphystown | 49 | 36 | 21 | Down | ||||
| Murragharoe | 20 | 85 | 12 | Tyrone | ||||
| Murray's Town | 8 | 20 | 6 | Donegal | ||||
| Murraystown | 34 | 8 | 9 | Antrim | ||||
| Murren Rocks | 9 | 17 | 6 | Donegal | ||||
| Murrins, The | 56 | 78 | 13 | Tyrone | ||||
| Murty's Town | 2 | 1 | 6 | Donegal | ||||
| Murvaclogher | 43 | 46 | x | Broaghclogh | Kilmore | Down | T | |
| Museum | 29 | 84 | 15 | Antrim | ||||
| Museum | 41 | 87 | 15 | Antrim | ||||
| Museum | 48 | 44 | 21 | Down | ||||
| Museum, University | 33 | 72 | 15 | Antrim | ||||
| Musgrave Channel | 36 | 76 | 15 | Down | ||||
| Mussenden Temple | 75 | 36 | 4 | Derry | ||||
| Mutrine's Bridge | 32 | 99 | 12 | Donegal | ||||
| Mutton Burn | 43 | 93 | 15 | Antrim | ||||
| Mutton Hill | 36 | 50 | 20 | Down | ||||
| Mweela Beg | 63 | 78 | 13 | Tyrone | ||||
| Mweela More | 64 | 79 | 13 | Tyrone | ||||
| Mweelroe | 26 | 68 | 18 | Fermanagh | ||||
| My Lords Mountain | 35 | 87 | 15 | Antrim | ||||
| Myra Castle | 54 | 49 | 21 | Down | ||||
| Myroe | 65 | 26 | 4 | Derry | ||||
| Myroe | 65 | 26 | 7 | Derry | ||||
| Myroe Level (Intake) | 62 | 27 | 4 | Tamlaght Finlagan | Derry | T | ||
| Myroe Level (Intake) | 62 | 27 | 7 | Tamlaght Finlagan | Derry | T |