Name
- Cassan, Joseph, Reverend; of Stradbally1
- Caulfeild, Francis William, 2nd Earl of Charlemont1
- Chearnley, Samuel, of Cork1
- Chinnery, George Robert, Assistant Clerk at the Treasury, private sec to G Canning1
- Clements, Henry John, Irish Treasury Commissioner1
- Colles, Richard, barrister, of Dublin1
- Cooper, Edward Synge, MP1
- Coote, Charles Henry, 2nd Baron Castle Coote1
- Coote, Charles, 1st Earl of Mountrath1
- Corry, John James1
- Costello, Charles, Barrack-master at Ballaghaderreen1
- Costigan, J-, of Wexford1
- Cotter, James Laurence, 3rd Baronet 18291
- Croker, John Wilson, PC, MP, 1780-18571
- Croker, Rosamond, wife of J W Croker1
- Crosbie, James, Colonel; MP for county Kerry1
- Dalton, George Forster, lawyer, fl 1812-18301
- Day, Robert, politician and judge, 1746-18411
- Dunwoody, John, of Longford, correspondent of Charles Whitworth, 1st Earl Whitworth, fl 18151
- Ellison, George, correspondent of Sir Robert Peel, fl 18151