Name
- Butler, Pierce, 4th Viscount Ikerrin1
- Byett, James, of Carrickfergus1
- Campsie, Henry, of Londonderry1
- Cathcart, Lodiwick, Captain; of Enniskillen1
- Colby, Thomas, 1st Baronet1
- Cole, Arthur, Baron Ranelagh1
- Conaway, James, Captain; Master of Trinity House, Deptford1
- Condon, John, of Meentervary1
- Coningham, Alexander, of Londonderry1
- Coningsby, Thomas, 1st Earl of Coningsby1
- Conningham, Frederick, of Londonderry1
- Connock, Alicia and Mary, daughters of Captain John Connock1
- Connock, Philladelphia, daughter of Captain John Connock1
- Consell, Abraham, Lieutenant1
- Coote, Thomas, Lieutenant-Colonel; 3rd Foot Guards1
- Cornewall, Henry, Colonel; of Bradwardine1
- Corporation of Trinity House, corporation for seafarers, 1514-1
- Coudell, Mathew, Captain; Irish outlaw1
- Cowper, William, 1st Earl Cowper, lawyer and politician, c 1665-17231
- Crookshanks, William, of Londonderry1