Name
- Clifford, George, banker, of Amsterdam1
- Close, Ralph1
- Clotworthy, Skeffington, 2nd Earl of Massereene1
- Clément, Pierre, Swiss Littérateur1
- Cobenzl, Johann Karl Philipp, Count, Imperial diplomatist1
- Colonna de Bozzi, Antonio Francesco, Conte; Corsican plenipotentiary1
- Colston, R., of Towton, county Yorkshire1
- Colt, William Dutton, diplomatist1
- Commissioners of the Customs1
- Compton, Henry, Bishop of London1
- Comte, Caterine, wife of F Comte1
- Comte, F., English secret agent1
- Conflans, Eustache de Brienne de?, Marquis de Conflans1
- Conway, M- W-, Agent of Transports1
- Cooke, John, Under-Sec of State1
- Coore, Eleanor, Mrs; of Firby, county Yorkshire1
- Coote, Eyre, Knight, army officer, 1726-17831
- Corry, Trevor, British Consul at Danzig1
- Cosimo III, Grand Duke of Tuscany1
- Cosne, Ruvigny, Captain; Secretary to the English Embassy in Paris1