Name
- Gage, Mary, née Herbert, speculator, entrepreneur and wife of Joseph Edward Gage, Count Gage, 1686-17751
- Gallie, Thomas, correspondent of John Caryll, fl 17581
- George I, King of Great Britain and Ireland, 1660-17271
- George III, King of Great Britain and Ireland, 1738-18201
- Gerard, Robert Cansfield, 9th Baronet, of Bryn, landowner, d 17841
- Gibbeson, Thomas, correspondent of John Caryll, fl 17591
- Gibbon, Edward, of Add MS 282371
- Ginetti, Giovanni Francesco, Cardinal and Archbishop of Fermo, 1626-16911
- Giroust, Jacques, Jesuit and writer, fl 17th century1
- Goddard, Anne, correspondent of Mary Molyneux, wife of Richard, 5th Viscount Molyneux, fl 1763-17651
- Godolphin, Sidney, 1st Earl of Godolphin, politician and statesman, 1645-17121
- Gonzaga, Laura, née Pico della Mirandola, wife of Ferdinando Gonzaga, Prince of Castiglione, 1660-17201
- Gonzaga, Margherita, Princess, née d'Este, wife of Ferdinando III Gonzaga, Duke of Guastalla, 1616-16921
- Goolde, James, correspondent of John Caryll, fl 1762-17671
- Gordon, Alexander, 2nd Duke of Gordon, landowner, c 1678-17281
- Gordon, John, of Birkenburn, correspondent of John Caryll, fl 17541
- Gordon, John, of Paris, correspondent of John Caryll, fl 17641
- Goring, William, 3rd Baronet, of Burton, landowner, d 17241
- Greentree, Mary, correspondent of John Caryll, fl 17641
- Grey, Ford, 1st Earl of Tankerville, conspirator and administrator, 1655-17011