Name
- Duff, Robert, naval officer, 1721-17873
- Gregory, William, Consul at Barcelona, fl 1777-18103
- Hamilton, William, Knight, British envoy at Naples and art collector, 1731-18033
- Howard, Henry, 12th Earl of Suffolk, politician, 1739-17793
- Keith, Robert Murray, son of Sir Robert Keith, Ambassador at Vienna3
- Lidderdale, John, Consul at Carthagena3
- Man, Robert, Admiral, Lord of the Admiralty3
- St Paul, Horace, Sec of Embassy in Paris3
- Tiffany, John, Vice-Consul at Barcelona3
- Ainslie, Robert, 1st Baronet, diplomat and numismatist, 1730-18122
- Arabet, Peter, Merchant at Alicante2
- Baird, Peter, correspondent of William Dalrymple, fl 17732
- Bryan, William, of Add MS 241692
- Cathcart, Charles Schaw, 9th Baron Cathcart, army officer and ambassador, 1721-17762
- Chamier, Antony, Under-Secretary at War2
- Cornwallis, Edward, General; Governor of Acadia and Gibraltar2
- Curtoys, Joseph, Consul at Barcelona2
- Delves, Charles, British Resident at Cadiz, fl 1771-17792
- Denis, Peter, 1st Baronet, naval officer and politician, c 1713-17782
- Eden, Morton Frederick, 1st Baron Henley2