For some background to the 1641 Rebellion refer to the Wikipedia page
The writer, one of the commissioners appointed for the examination of Protestant grievances, relates that about thirty ministers were massacred in a small part of Ulster alone, while a still larger number died in circumstances of extreme wretchedness. Of those who were murdered he enumerates the following:-
Mr. Mather of Donoughmore [in Tyrone], cut to pieces and left unburied
Mr. Blythe, minister of Dungannon, hanged
Mr. Fullarton of Loughgall, to whom Sir Phelim O'Neill owed at least six hundred pounds upon mortgages, and though he had a pass, was stripped and murdered
Mr. Matchett, minister of Magherafelt, after long imprisonment, was murdered at Lieutenant Thursbie's, in the county of Londonderry
Mr. Hudson, minister of Desertmartin, taken between two feather beds out of Mrs. Chappel's house, where he had been long fed and concealed, was discovered and murdered
Mr. Campion of Killowen, [beside Coleraine], being at the battle of Ballymoney, which the English, in regard of the fatability of the day, called Black Friday, was killed
The rebels commanded by Colkitto's sons; at the same battle was slain a Scottish minister, under the command of Colonel Archibald Stewart, late agent to the Earl of Antrim
Mr. Tudge, minister of Newry, after long imprisonment and many perfidious promises, was, with thirteen more, cruelly put to death, of which none but one Greene, a tapster to Mr. Butterfield of the Newry, escaped, ransoming his life for forty shillings. This Greene brought me this relation in May 1642 *(note XX)
Mr. Hastings, minister, endowed into a living of Mr. Fairfax, but being schoolmaster in Ballysegart, a house belonging to my honoured friend, the virtuous Mrs. Clotworthy: him they caused to swim in the lough [Neagh] till he was drowned
Mr. Darragh, my Lord Caulfield's chaplain, killed;
Mr. Fleming, minister of Clonfeckle, Mr. Mercer, minister of Mullabrack, and Mr. Burns, curate of Loughgilly, murdered
Mr. Bradley's curate of Ardtrea, Mr. New, killed
Mr. Wilkinson of Clones, killed at the Cavan
Mr. Thomas Crauford, killed by the rebels after quarter was promised
Mr. Montgomery of Dunamain parish, hanged
Mr. Faulmaster, that once lived at Carrickfergus, minister there, was, as his wife informed me, hanged at his church-door
Mr. Flack of Fermanagh, a minister of special note, was, with two of his sons, taken out of Castle Crevenish, and also offered up to God as a sacrifice
Mr. Michael Berket of Salter's-town, flying for safety with his wife and seven small children to Carrickfergus; where his wife and all his poor children died most miserably for want of ordinary nourishment, himself being famished to the point of death, finding the pangs strong upon him, got leave to go into the church at Carrickfergus, where he had not long stayed, did there depart this life
Mr. Griffin, Mr. Bartley, Mr. Starkey, curate, all of Armagh, murdered on the 6th of May
Mr. Beveridge of Killaman, and Mr. Robison of Kilmore, ministers of the same county, were sufferers at the same time
Mr. Lightfoot of Castleblayney, cruelly murdered
*Note XX: Besides these thus massacred, there died of the pestilential fever, Mr. Winter of Astra [Ardstraw], minister, Mr. Luke Astrie, minister of Ballykelly, Mr. Farwood, dean of Dromore, Mr. Edward Stanhope, archdeacon, Mr. Edward Livesly.
Besides these ministers, the depositions in Temple and Borlase supply the names of several others who were murdered in Ulster; such as
Mr. Middleton of Castle Balfour
Mr. Morgan Aubrey
Mr. Robison of Caledon
Mr. John Matthew
Mr. Smith and Mr. Birge, in the counties of Armagh, Tyrone and Donegall
Mr. Akin in Donegall
John Mather, admitted to the rectory of Donaghmore in April 1635
Michael Matchett, admitted to the rectory of Kildress and Magherafelt in October 1635
Samuel Hastings, admitted to the rectory of Tullaniskan in April 1650
John Campion, admitted to the rectory of Killowen in December 1628
Christopher Hudson, admitted to the rectory of Desertmartin in February 1640
James Montgomery, admitted to the vicarage of Donaghmore, in Clogher, in February 1631
Hugh Barclay, admitted to the rectory of Carnteel in the diocese of Armagh, in May 1634
Richard Winter, admitted to the rectory of Ardstraw in February 1610
James Baxter, admitted to the rectory of Longfield and Termonamongan in April 1618
*Note: A pamphlet entitled, A Remonstrance of divers remarkable passages concerning the Church and Kingdom of Ireland ; recommended by letters from the Right Honourable the Lords-Justices and Council of Ireland, and presented by Henry Jones, D. D., and agent for the Ministers of the Gospel in that kingdom; to the honourable House of Commons in England. (London, 4to, 1642). This was in consequence of a second commission issued soon after the commissioners had given in and printed their report. It is dated April 6, 1642, and was confined to Ulster. The commissioners specified are Nathaniel Draiton, Daniel Harcourt, William Hammond, Simon Chichester.