Peter Browne, Bishop of Cork: book of prayers in his hand (RCBL Ms 780)
Richard Caulfield, librarian and antiquary: transcription of the register of St Fin Barre's Cathedral, Cork 1800-33 (RCBL MS 702)
James Thomas O'Brien, Bishop of Ossory Ferns and Leighlin: ms copy of his 'Ten sermons...preached in the chapel of Trinity College, Dublin' (1833) 1833 (RCBL MS 783)
William St John Smyth, chancellor of Down: letters to him, mainly from William Mant, Bishop of Down and Connor 1808-46 (RCBL 772)
John Wainwright, baron of the exchequer of Ireland: ecclesiastical court book, which may previously have belonged to Sir Henry Marten, judge of the Prerogative Court of Canterbury and William Smith, Bishop of Raphoe (RCBL MS 784)
Cork Annual Clerical Meeting: committee minute book 1879-1967 (RCBL MS 790)
Cork Clerical Society: minute books 1893-1988 (RCBL MS 789)
Cork Religious Tract and Book Society: minutes, attendance register, accounts and papers 1895-1960 (RCBL MS 791)
Limerick Clerical Society: minute book 1968-1975 (RCBL MS 773)