Commune/Paroisse : Thyez [Haute-Savoie] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | GAI | 1783 | - | 1 |
| 2. | GAILLARD | 1778-1879 | 3 | 1 |
| 3. | GALLAY | 1897 | - | 1 |
| 4. | GALLET | 1790 | - | 1 |
| 5. | GANDIOL | 1951 | - | 1 |
| 6. | GANTIN | 1786-1864 | 3 | 1 |
| 7. | GATHIER | 1822 | 1 | - |
| 8. | GAUDIN | 1868-1933 | 2 | 2 |
| 9. | GAVAIRON | 1888 | 1 | - |
| 10. | GAVARD | 1732-1942 | 14 | 17 |
| 11. | GAY | 1652-1858 | 8 | 8 |
| 12. | GEMET | 1797 | 1 | - |
| 13. | GENEVE | 1783-1876 | 2 | 4 |
| 14. | GERFAUT | 1678 | - | 1 |
| 15. | GEROUDET | 1666-1942 | 2 | 4 |
| 16. | GEVRIER | 1693 | - | 1 |
| 17. | GIBERT | 1681-1791 | 11 | 4 |
| 18. | GILBERT | 1741-1927 | 23 | 28 |
| 19. | GLIERE | 1900 | 1 | - |
| 20. | GOMEZ FERNANDEZ | 1959 | 1 | - |
| 21. | GOUDARD | 1832-1872 | 1 | 2 |
| 22. | GOY | 1838-1918 | 3 | 2 |
| 23. | GOY DIT CLERC | 1815 | 1 | - |
| 24. | GRANDO | 1889 | 1 | - |
| 25. | GRANGE | 1898-1936 | 3 | 2 |
| 26. | GRANGERAT | 1757-1764 | - | 2 |
| 27. | GRANGES | 1917 | - | 1 |
| 28. | GRANGIER | 1665-1678 | - | 2 |
| 29. | GRILLET | 1797-1802 | - | 2 |
| 30. | GRILLIET | 1710 | - | 1 |
| 31. | GRISEL | 1888 | 1 | - |
| 32. | GROS GAUDENIER | 1824 | - | 1 |
| 33. | GROZ | 1833 | - | 1 |
| 34. | GUEBEY | 1779-1902 | 3 | 1 |
| 35. | GUERS | 1818 | 1 | - |
| 36. | GUFFON | 1823-1922 | 1 | 2 |
| 37. | GUFFOND | 1926 | 1 | - |
| 38. | GUIGUE dit Martin | 1737 | 1 | - |
| 39. | GUILLON | 1670 | - | 1 |
| 40. | GUILLOT | 1831-1837 | 1 | 3 |