Name
- Cadogan, William, 1st Earl Cadogan, army officer and diplomat, 1671-17261
- Calder, James, 3rd Baronet, Commissioner of Stamps1
- Calvert, Charles, 6th Baron Baltimore1
- Campbel, Mary, wife of John Campbel1
- Campbell, Hugh, 3rd Earl of Loudoun, Scottish Secretary of State1
- Campbell, John, Lord Glenorchy, 3rd Earl of Breadalbane (1752)1
- Campbell, William1
- Capadose, Joseph1
- Capell, William, 3rd Earl of Essex 17101
- Carteret, Robert, Viscount Carteret, 2nd Earl Granville (1763)1
- Cartwright, Henry1
- Cary, Walter, of Add MS 361251
- Cathcart, Charles Schaw, 9th Baron Cathcart, army officer and ambassador, 1721-17761
- Cathcart, Charles, 8th Baron Cathcart, Commander of the Force sent against Spanish America1
- Cathcart, Charles, of Add MS 361251
- Catherine II, Empress of Russia1
- Caulfield, John, of Add MS 361291
- Cavendish, George1
- Cavendish, John, of Add MS 356391
- Cavendish, William, 3rd Duke of Devonshire, Lord Lieutenant of Ireland1