Commune/Paroisse : Passy [Haute-Savoie] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | CACHE | 1726 | 1 |
| 2. | CADIOU | 1911 | 1 |
| 3. | CAILLE | 1900-1905 | 2 |
| 4. | CAILLER | 1912 | 1 |
| 5. | CAILLOT | 1892 | 1 |
| 6. | CALLIAND | 1662 | 1 |
| 7. | CALLIEZ | 1660 | 1 |
| 8. | CANIMI | 1898 | 1 |
| 9. | CANTET | 1907 | 1 |
| 10. | CAPITAN | 1904 | 1 |
| 11. | CARQUILLAT | 1833 | 1 |
| 12. | CARRAL | 1892 | 1 |
| 13. | CARRIER | 1664-1906 | 15 |
| 14. | CART | 1840-1909 | 2 |
| 15. | CARTANAS | 1789 | 1 |
| 16. | CARTHANASE | 1815 | 1 |
| 17. | CASTAFROLAZ | 1899 | 1 |
| 18. | CATON | 1713 | 1 |
| 19. | CATTIN | 1610 | 2 |
| 20. | CAVEX | 1903 | 1 |