Quimper 29000 - Bretagne
- Gaume
- Gemmati
- Geneau
- Gengenwin
- Geniez
- Georgeault
- Gerges
- Gerinard
- Gessier
- Ghys
- Gicqueau
- Gieux
- Gilet
- Girardet
- Giraud
- Giraudeau
- Gisler
- Glaz
- Glehen
- Glemarec
- Gloageuen
- Glorennec
- Glémarec
- Goales
- Goalic
- Goanec
- Goarant
- Goasdoue
- Goasduff
- Gobin
- Godest
- Godet
- Godfroy
- Goetz
- Goff
- Goffart
- Gogen
- Gohier
- Goncalves
- Gorenflot
- Gorge
- Gorgiard
- Gosnet
- Goubaud
- Gouby
- Gouedic
- Gougay
- Goujon
- Goulard
- Gour
- Gourai
- Gourves Jaouen
- Gouzarch
- Granic
- Grannec
- Gravelot
- Gree
- Grevellec
- Grosjean
- Grunchec
- Gueguiniat
- Guen
- Guena
- Guenec
- Gueneugues
- Guennoc
- Guerault
- Guerineau
- Guerit
- Guerreau
- Guesnet
- Gugnalons
- Guias
- Guiborel
- Guicheteau
- Guidou
- Guiffan
- Guigo
- Guilbaud
- Guillas
- Guillemette
- Guillerme
- Guillo
- Guillon
- Guillot
- Guinard
- Guinvarch
- Guitton
- Gunduz
- Guyomarc'h
- Guyonvarch
- Guénolé
- Guéroc
- Haddouch
- Haie
- Hairie
- Hajji
- Hakrour
- Hallynck
- Hamard