Commune/Paroisse : Thonon-les-Bains [Haute-Savoie] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | GUAIDON | 1726 | - | 1 |
| 2. | GUENNARD | 1823 | 1 | - |
| 3. | GUERIN | 1653-1745 | 3 | 1 |
| 4. | GUERNAZ | 1804 | - | 1 |
| 5. | GUERRY | 1713 | 1 | - |
| 6. | GUEX | 1800-1899 | 2 | - |
| 7. | GUEYMARD | 1638 | 1 | - |
| 8. | GUICHARD | 1618-1670 | 1 | 4 |
| 9. | GUIDNAUD | 1628 | 1 | - |
| 10. | GUIGONAZ | 1714 | 1 | - |
| 11. | GUILLAND | 1829 | 1 | - |
| 12. | GUILLAUME | 1724-1849 | 1 | 4 |
| 13. | GUILLERMAIN | 1808 | 1 | - |
| 14. | GUILLET | 1715-1896 | 5 | 11 |
| 15. | GUILLIET | 1775-1823 | 2 | 3 |
| 16. | GUILLIORD | 1784 | 1 | - |
| 17. | GUILLOIR | 1754-1793 | 2 | 2 |
| 18. | GUILLOIRE | 1808 | - | 1 |
| 19. | GUILLON | 1885 | 2 | - |
| 20. | GUIMBLE | 1845-1864 | 1 | 2 |
| 21. | GUIMMARD | 1667-1682 | 2 | - |
| 22. | GUINGAT | 1894 | 1 | - |
| 23. | GUION | 1654-1762 | 1 | 2 |
| 24. | GURLIAT | 1820-1845 | - | 2 |
| 25. | GURNAL | 1824 | 1 | - |
| 26. | GURNEL | 1760-1837 | 1 | 2 |
| 27. | GUY | 1815-1876 | 3 | - |
| 28. | GUYMARD | 1675 | - | 1 |
| 29. | GUYON | 1621-1877 | 16 | 22 |
| 30. | GUYON DE CHESSEZ | 1662 | - | 1 |
| 31. | GUYOT | 1688 | - | 1 |