Name
- Butler, James, 1st Duke of Ormonde1
- Butler, James, 2nd Duke of Ormonde, statesman and soldier, 1665-17451
- Butler, Richard, Earl of Arran, afterwards Baron Butler of Weston1
- Butler, Thomas, Earl of Ossory, of Add MS 214921
- Callières, François, French diplomatist and author1
- Capel, Henry, KB, Baron Capel of Tewkesbury 1692; Lord Deputy of Ireland 16951
- Capell, Algernon, 2nd Earl of Essex1
- Cary, Lucius, 2nd Viscount Falkland, author and politician, c 1610-16431
- Catinat, Nicolas, Marshal of France1
- Cavendish, William, Baron Ogle, Earl, Marquis, and 1st Duke of Newcastle1
- Champneys, William1
- Chaplin, John1
- Chetwood, Benjamin, of the Custom House, Dublin1
- Chudleigh, Thomas, of Add MS 288751
- Churchill, John, 1st Duke of Marlborough1
- Churchill, William, Major1
- Clarke, James, of Add MS 288751
- Colbert, Charles, Marquis de Croissy, 1625-16961
- Colenbine, J-1
- Coote, Richard, Colonel1