Quimper 29000 - Bretagne
- Garet
- Garreau
- Gathercole
- Gaubert
- Gaucher
- Gauchet
- Gaudard
- Gaudin
- Gauducheau
- Gaultier
- Gaume
- Gazengel Derache
- Geneau
- Gengenwin
- Geniez
- Geoffroy
- Geomay
- Georgeault
- Georgelin
- Gereec
- Gerinard
- Gessier
- Gicqueau
- Gieux
- Gillot
- Girardet
- Giraud
- Giraudeau
- Gisler
- Glangeaud
- Glaz
- Glehen
- Glemarec
- Glever
- Gloageuen
- Gloaquin
- Glémarec
- Goales
- Goalic
- Goanec
- Goarant
- Goasdoue
- Goasduff
- Goater
- Godebille
- Godest
- Godet
- Godfroy
- Goetz
- Goff
- Goffart
- Gogen
- Goncalves
- Gonzalez
- Gorenflot
- Gorge
- Gorgiard
- Gosnet
- Goubaud
- Gouby
- Gouedic
- Gougay
- Gouill
- Goulard
- Gour
- Gourai
- Gourmelin
- Gourvennec
- Gourves Jaouen
- Gouzarch
- Graignic
- Grannec
- Grasset
- Gremillet
- Grenier
- Grevellec
- Grimault
- Grosjean
- Groves
- Grunchec
- Guedes
- Guegueniat
- Gueguiniat
- Guena
- Guenec
- Guennec
- Guerault
- Guerende
- Guerineau
- Guerit
- Guerreau
- Guesnet
- Gugnalons
- Guias
- Guiborel
- Guicheteau
- Guider
- Guidou
- Guiffan
- Guigo