Name
- Grant, Alexander, army officer and correspondent of Sir Robert Murray Keith, fl 1775-17761
- Green, Charles, Major1
- Grenville, Henry, 5th son of the Countess Temple; Ambassador to Turkey1
- Grenville, William Wyndham, 1st Baron Grenville, politician and Prime Minister, 1759-18341
- Greville, Charles Francis, of Add MS 349301
- Greville, Robert Fulke, of Add MS 355091
- Grey, George Harry, 6th Earl of Stamford and 2nd Earl of Warrington, politician, 1765-18451
- Grey, Thomas, Under Secretary of State for the American département, 2nd Baron Walsingham (1781)1
- Griffin, John Griffin, 1st Baron Braybrooke, born Whitwell; army officer, 1719-17971
- Griffith, John, agent of the East India Company at Bussora, fl 17861
- Hadik, Andreas, Count, Hungarian nobleman, 1710-17901
- Hales, Edward, 5th Baronet, of Woodchurch, Kent, c 1724-18021
- Halkat, John, correspondent of Sir Robert Murray Keith, fl 17751
- Halkett, Fritz, correspondent of Sir Robert Murray Keith, fl 17751
- Hamilton, Douglas, 8th Duke of Hamilton1
- Hamilton, James, 8th Earl of Abercorn1
- Hamilton, John James, 1st Marquess of Abercorn1
- Hamilton, T-1
- Hanbury, Charles, Agent in Lower Saxony1
- Hanbury, John, of Add MS 355131