Commune/Paroisse : Ugine [Savoie] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | BU... | 1626 | - | 1 |
| 2. | BUCHAR | 1623 | - | 1 |
| 3. | BUCHARD | 1613-1897 | 35 | 59 |
| 4. | BUCHARD DIT HUGAIN | 1723 | - | 1 |
| 5. | BUCHARD LACROIX | 1706 | - | 1 |
| 6. | BUCHARD MASSON | 1627 | - | 1 |
| 7. | BUCHARD. | 1794 | 2 | - |
| 8. | BUFFET | 1750-1899 | 4 | - |
| 9. | BUISSON | 1884-1891 | 2 | - |
| 10. | BUISSONNÉ | 1800 | - | 1 |
| 11. | BUISSONNET | 1799 | - | 2 |
| 12. | BUJAT | 1828 | - | 1 |
| 13. | BUKERT | 1801 | - | 2 |
| 14. | BUMAZ VINCENDAZ | 1667 | - | 1 |
| 15. | BUQUERT | 1800 | - | 1 |
| 16. | BURAT | 1799 | - | 2 |
| 17. | BURBAN | 1761 | 1 | - |
| 18. | BURDET | 1704-1840 | 1 | 1 |
| 19. | BURDIN | 1668 | 1 | - |
| 20. | BURDINAT | 1761 | 1 | - |
| 21. | BURET | 1800-1900 | 5 | 1 |
| 22. | BURGAT CHARVILLON | 1876 | - | 1 |
| 23. | BURNET | 1684-1686 | 1 | 1 |
| 24. | BURNET MERLIN | 1849 | 1 | - |
| 25. | BURNIER | 1617-1685 | 1 | 2 |
| 26. | BURTIN | 1762-1824 | 6 | 4 |
| 27. | BUSCAK | 1851 | 1 | - |