The Poor Law Union of Cookstown comprised the parishes of Arboe, Artrea, Ballinderry, Ballyclog, Derryloran, Desertcreat, Donaghenry (part), Kildress, Lissan, Pomeroy (part), and Tamlaght.
The Union Workhouse was situated in Cookstown.
| Surname | Firstname |
| Gunning | William A. Esq., J.P., Chairman |
| Castlestuart | The Earl of, D.L., J.P. |
| Conyngham | Colonel, D.L., J.P. |
| Hassard | Robert, Esq., J.P. |
| Moore | John Byers Gunning, J.P. |
| Charles | D.H., M.D. |
| Johnston | George |
| Dickson | Andrew |
| Loughran | Bernard |
| McDonald | Patrick |
| Gourley | William |
| Beck | John |
| Reid | J.H. |
| Henderson | John |