Name
- Colthurst, Nicholas Conway, 4th Baronet, MP for Cork1
- Cope, Laurence1
- Corry, John, topographer1
- Corry, William Isaac, Port Surveyor at Newry1
- Cosgrave, William1
- Costello, Charles, Barrack-master at Ballaghaderreen1
- Courtenay, William, 10th Earl of Devon, politician, 1777-18591
- Crofton, James, Chief Clerk to Irish Treasury1
- Crosbie, James, Colonel; MP for county Kerry1
- Cuff, James, Colonel; son of James, Baron Tyrawley; MP1
- Cuninghame, Robert, né Gun, correspondent of Sir Robert Peel, fl 1817-18431
- Dawson, George Robert, politician, 1790-18561
- Dodd, M, correspondent of Sir Robert Peel, fl 18171
- Dodd, William, petitioner to the House of Commons, fl 18171
- Doyal, M W, of Ballina, correspondent of Sir Robert Peel, fl 1812-18221
- Dundas, Robert, 2nd Viscount Melville, formerly Dundas, politician and statesman, 1771-18511
- Ennis, Francis, clergyman, fl 1808-18201
- Ferrar, William Hugh, magistrate, c 1771-18261
- FitzGerald, Augustine, 1st Baronet, army officer and politician, c 1765-18341
- FitzWilliam, Charles William, 5th Earl FitzWilliam, politician, 1786-18571