Former Owner
- Gabriel Wells6
- Gaetano Schiepati1
- Gaetano Schiepatti1
- Gail Fischmann25
- Garcia de Loaysa Giron1
- Garegnano Charterhouse2
- 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 Kloss2
- Georg von Waldburg-Zeil1
- George Amos Poole22
- George Arthur Plimpton2
- George Atherton Aitken1