Quimper 29000 - Bretagne
- Galakhoff
- Galand
- Galeron
- Gales
- Gall
- Galle
- Gallo
- Gallou
- Galy
- Ganivet
- Gaoter
- Gaouyat
- Gardinal
- Garet
- Garreau
- Gaubert
- Gaucher
- Gauchet
- Gaudard
- Gaultier
- Gayraud
- Gemmati
- Gengenwin
- Georgeault
- Gerges
- Gerinard
- Gessier
- Gicqueau
- Gieux
- Gilet
- Girardet
- Giraud
- Giraudeau
- Glai
- Glaz
- Glehen
- Glemarec
- Gleonec
- Glémarec
- Goanec
- Goarant
- Goasdoue
- Goasduff
- Goasguen
- Gobin
- Godart
- Godest
- Godet
- Godfroy
- Goff
- Goffart
- Gogen
- Gohier
- Goncalves
- Gonsales
- Gonzalez
- Gorenflot
- Gorge
- Gosnet
- Gouby
- Gouedic
- Gougay
- Goujon
- Gourai
- Gourves Jaouen
- Gouzarch
- Granic
- Grannec
- Grasmuck
- Gravelot
- Grelier
- Grevellec
- Grosjean
- Gross
- Guegueniat
- Gueguiniat
- Guen
- Guena
- Gueneugues
- Guennoc
- Guenver
- Guerault
- Guerineau
- Guerit
- Guesdon
- Guesnet
- Gugnalons
- Guias
- Guiborel
- Guicheteau
- Guiffan
- Guiffant
- Guigo
- Guillas
- Guillemette
- Guillermo
- Guillo
- Guillon
- Guinard
- Guinvarch