Commune/Paroisse : Thonon-les-Bains [Haute-Savoie] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | BUA | 1675 | 1 |
| 2. | BUAILLON | 1871 | 1 |
| 3. | BUAM | 1618 | 1 |
| 4. | BUAN | 1675-1691 | 3 |
| 5. | BUAND | 1658 | 1 |
| 6. | BUARD | 1634-1653 | 4 |
| 7. | BUATZ | 1666 | 1 |
| 8. | BUAZ | 1626-1685 | 25 |
| 9. | BUAZ DIT PIVOLET | 1639 | 1 |
| 10. | BUCHETI | 1639 | 1 |
| 11. | BUCLOZ | 1688 | 1 |
| 12. | BUET | 1620-1693 | 8 |
| 13. | BUFFET | 1621-1878 | 8 |
| 14. | BUFFLET | 1624 | 1 |
| 15. | BUFFLOZ | 1698 | 1 |
| 16. | BUFLE | 1625 | 1 |
| 17. | BUGNET | 1698 | 1 |
| 18. | BUINNOD | 1635-1661 | 4 |
| 19. | BUINNOUD | 1649 | 1 |
| 20. | BUINNOZ | 1631 | 1 |
| 21. | BUINOD | 1644 | 1 |
| 22. | BUINOT | 1645 | 1 |
| 23. | BUINOUD | 1869 | 1 |
| 24. | BUIS | 1880 | 1 |
| 25. | BUISSON | 1635-1639 | 3 |
| 26. | BULLAZ | 1861 | 1 |
| 27. | BULLY | 1695 | 1 |
| 28. | BULSE | 1874-1875 | 2 |
| 29. | BURDAU | 1618 | 1 |
| 30. | BURDET | 1659-1880 | 9 |
| 31. | BURDIN | 1874-1880 | 2 |
| 32. | BURGNIARD | 1868 | 1 |
| 33. | BURGUET | 1642 | 1 |
| 34. | BURNAT | 1691-1878 | 7 |
| 35. | BURNAZ | 1864-1870 | 2 |
| 36. | BURNET | 1606-1877 | 16 |
| 37. | BURNI | 1634-1638 | 2 |
| 38. | BURNIER | 1629-1874 | 23 |
| 39. | BURNIZ | 1675 | 1 |
| 40. | BURNO | 1635 | 1 |
| 41. | BURNO DIT LA FORMA | 1650 | 1 |
| 42. | BURNOD | 1683-1697 | 2 |
| 43. | BURNOZ | 1680 | 1 |
| 44. | BURNY | 1659-1694 | 2 |
| 45. | BURQUIER | 1870-1871 | 2 |
| 46. | BURRO | 1613 | 1 |
| 47. | BUSSET | 1654 | 1 |
| 48. | BUSSIERE | 1875-1878 | 3 |
| 49. | BUSSIERES | 1880 | 1 |
| 50. | BUTET | 1695 | 1 |
| 51. | BUYNNOD | 1636 | 1 |
| 52. | BUYNOD | 1637 | 1 |