Former Owner
- Garibell Smythley1
- Garsten Abbey1
- Gascoigne baronets1
- Gasser, Rudolf von, Freiherr, -1911?1
- Gaston Ruddoff1
- General Bookbinding Company of Chesterland, OH1
- General Theological Seminary1
- Geoffroy de Pompadour1
- Georg Eduard Steitz1
- Georg von Waldburg-Zeil1
- George Atherton Aitken1
- George B. Ward1
- George Brudenell, 3rd Earl of Cardigan1
- George Chalmers1
- George Dawson Coleman1
- George Horace Johnstone1
- George Howard, 9th Earl of Carlisle1
- George Isted1
- George Leveson-Gower, 1st Duke of Sutherland1
- George M. Millard1