- Grimes
- Grimmett
- Grimshaw
- Grimwood
- Grindle
- Grindley
- Grinham
- Grinstead
- Grisbrook
- Grisenti
- Grist
- Grogan
- Gronow
- Groo
- Gross
- Grosvenor
- Gerald Cavendish, K.G., C.B., C.V.O., O.B.E., K.St.J., T.D., V.R., C.D., D.L. 6th Duke of Westminster (Major-Gen. His Grace) (1951 - 2016)
- Leonard (1908 - )
- Matilda Louise (1908 - circa 1980)
- Meriel Catherine (1911 - 1930)
- Robert George, T.D., J.P., D.L., 5th Duke of Westminster (Lieut-Col. His Grace) (1910 - 1979)
- Viola Maud (1912 - 1987)
- Grove
- Grover
- Groves
- Gruber
- Grumley
- Grummett
- Grundman
- Grundy
- Grylls
- Guage
- Guardipee
- Gubby
- Gue
- Guess
- Guest
- Guidice
- Guildford
- Guile
- Guinn
- Guirlandi
- Guiver
- Gull
- Gullick
- Gully
- Gumbley
- Gumbrell
- Gumbrill
- John (before 1841 - before 1891)
- Kitty (between 1861 and 1862 - )
- Mary (between 1821 and 1822 - after 1901)
- Gumm
- Gummer
- Gummow
- Gunn
- Gunner
- Gunningham
- Gunter
- Gurney
- Gurr
- Guscote
- Guscott
- Gustin
- Gutteridge