- Gagle
- Gahan
- Gallien
- Galm
- Galpern
- Galyan
- Gardner
- Garl
- Garlisch
- Garnier
- Garrett
- Garst
- Garvey
- Gaskins
- Gatlin
- Gause
- Geene
- Gentile
- George
- Gilbert
- Gilbertson
- Giles
- Gill
- Gillenwater
- Gillham
- Gilliland
- Gillum
- Gilstrap
- Giordano
- Gladson
- Glasgow
- Glass
- Glazner
- Gloye
- Goble
- Godsey
- Goen
- Goodin
- Goodman
- Gordon
- Gorr
- Goss
- Gosser
- Graef
- Graf
- Graves
- Gray
- Green
- Greenebaum
- Grimes
- Grimm
- Gronek
- Gross
- Grubb
- Gucinski
- Gummere
- Gunther