Name
- George IV, King of Great Britain and Ireland, 1762-18301
- Gibson, John, merchant in Prussia and correspondent of George Henry Rose, fl 18151
- Gifford, John, formerly Green; political writer and biographer, 1758-18181
- Gilson, Alexander, Consul at Danzig, fl Early 19th century1
- Gobat, Samuel, missionary and Anglican Bishop in Jerusalem, 1799-18791
- Gordon, George, 4th Earl of Aberdeen, statesman, politician, diplomat and landowner, 1784-18601
- Graham, James, 3rd Duke of Montrose, courtier, politician and statesman, 1755-18361
- Grant, William, Knight, lawyer and politician, 1752-18321
- Grenville, James, Baron Glastonbury, of Add MS 427741
- Grenville, Richard, 1st Duke of Buckingham and Chandos, né Temple-Nugent-Grenville; politician, 1776-18391
- Grenville, William Wyndham, 1st Baron Grenville, politician and Prime Minister, 1759-18341
- Grey, Thomas, 2nd Baron Walsingham, politician, 1748-18181
- Guarracino, Frederick, Vice-Consul at Samsoon, Turkey1
- Hamilton, James, 4th Duke of Hamilton1
- Hamilton, William Richard, antiquary and diplomatist1
- Hamilton, William, Knight, British envoy at Naples and art collector, 1731-18031
- Harcourt, Simon, 1st Viscount Harcourt1
- Harcus, Henry, master of the 'Mary and Alesen', Burnstisland1
- Harris, James, 1st Earl of Malmesbury1
- Hatch, Oliver1