| Patronyme | Lieu |
| GASTEL | Ménéac 56490 |
| GAUDAIRE | Ménéac 56490 |
| GAULTIER | Pléneuf 22370 |
| GEFFLOT | Ménéac 56490 |
| GOESIN | Planguenoual 22400 |
| GOUDAL | Ménéac 56490 |
| GOUESIN | Planguenoual 22400 | Saint Alban 22400 |
| GOURIE (R) | Guilliers 56490 |
| GRIMAULT | Planguenoual 22400 |
| GROSEIL | Brignac 56430 | Guilliers 56490 |
| GUEHENNEUC | Ereac 22250 | Trepail 51380 | Broons 22250 | Ménéac 56490 | Lanrelas 22250 | Rouillac 22250 |
| GUIHO | Ménéac 56490 |
| GUILLEMAUD | Guilliers 56490 |
| GUILLEMIN | Ménéac 56490 |
| GUILLEMOT | Ménéac 56490 |
| GUILLOIS | Planguenoual 22400 | Pléneuf 22370 |
| GUILLOUX | Evriguet 56490 | Ménéac 56490 | Brignac 56430 | Guilliers 56490 | Sevignac 22250 |
| GUILMOT | Guilliers 56490 |
| GUINARD | Pleneuf 22370 |
| HAGUET | Ménéac 56490 |
| HAUDERIERE | Ménéac 56490 | Ploermel 56800 | Pleneuf 22370 | Pléneuf 22370 | Planguenoual 22400 |
| HAUDRAIRE | Pleneuf 22370 |
| HERVE | Mohon 56490 | Guilliers 56490 | Evriguet 56490 |
| HERVOT | Muel 35290 |
| HINGAND | Ménéac 56490 |
| HIOT | Ménéac 56490 |
| HOURDIN | Pleneuf 22370 | Pléneuf 22370 |
| IZEL | Ménéac 56490 |
| JARNIGON | Guilliers 56490 | Loyat 56800 |
| JASSON | Pléneuf 22370 |
| JAULME | Evriguet 56490 |
| JOSSET | Ménéac 56490 |
| JOUBE | Guilliers 56490 |
| JOUHIER | Ménéac 56490 |
| JULOT | Plumieux 22210 |
| LANGLE (de ) | Ménéac 56490 |
| LARELLE | Brignac 56430 | Ménéac 56490 |
| LAUNAY | Ménéac 56490 |
| LE BLAYE | Pléneuf 22370 |
| LE MEE | Ménéac 56490 |
| LECLERC | Mohon 56490 |
| LECUYER | Sevignac 22250 |
| LEFEUVRE | Ménéac 56490 |
| LEMERCIER | Ménéac 56490 |
| LESGAGES | Saint Malo 35402 |
| LESPERT | Ménéac 56490 |
| LETORT | Lanrelas 22250 |
| LOCQUET | Ménéac 56490 | Brignac 56430 |
| LOHIER | Ménéac 56490 |
| LOSTELIER | Pléneuf 22370 |
