Commune/Paroisse : Chamonix-Mont-Blanc [Haute-Savoie] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | BUCHET | 1926 | 1 |
| 2. | BUCHHOLZ | 1918 | 1 |
| 3. | BULLIOT | 1908 | 1 |
| 4. | BULLY | 1928 | 1 |
| 5. | BURATTI | 1927 | 1 |
| 6. | BURBET | 1906 | 1 |
| 7. | BUREAU | 1957 | 1 |
| 8. | BURGNARD | 1936 | 1 |
| 9. | BURNET | 1704-1957 | 62 |
| 10. | BURNIER | 1805-1876 | 3 |
| 11. | BURTIN | 1939-1943 | 2 |
| 12. | BUSSIÈRE | 1938 | 1 |
| 13. | BUTTAY | 1890 | 1 |
| 14. | BUTTET | 1914 | 1 |
| 15. | BUTTOUDIN | 1941-1956 | 2 |
| 16. | BUYSENS | 1918 | 1 |