Commune/Paroisse : Saint-Gervais-les-Bains [Haute-Savoie] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | COCATRIX | 1679-1809 | 4 | 11 |
| 2. | COCATRIX-PAGET | 1721 | - | 1 |
| 3. | COCATTRIX | 1628-1635 | 2 | - |
| 4. | COCATTRY | 1633 | 1 | - |
| 5. | COCATTRY DIT BIBIER | 1630 | - | 1 |
| 6. | COCCATRIX | 1812 | - | 1 |
| 7. | COCHON | 1631-1687 | 5 | 7 |
| 8. | COGNON | 1628 | 1 | - |
| 9. | COHENDET | 1671-1888 | 17 | 16 |
| 10. | COLIN | 1686 | - | 1 |
| 11. | COLLEX | 1746-1848 | 2 | 4 |
| 12. | COLLIEX | 1752 | 1 | - |
| 13. | COLLOMB | 1640-1682 | 2 | - |
| 14. | COLOMB | 1680 | 1 | - |
| 15. | COMBAS | 1705 | - | 1 |
| 16. | COMBAZ | 1765-1828 | 2 | 1 |
| 17. | COMBET | 1631 | - | 1 |
| 18. | COMTAT | 1835-1868 | 2 | - |
| 19. | CONSEIL | 1678-1866 | 1 | 1 |
| 20. | CONTET | 1719 | - | 2 |
| 21. | CONTI | 1910 | - | 1 |
| 22. | CORNÉRY | 1821 | 1 | - |
| 23. | COSSON | 1704 | 1 | - |
| 24. | COTTET | 1680-1903 | - | 2 |
| 25. | COUTERAND | 1748-1836 | 3 | 3 |
| 26. | COUTET | 1832 | - | 1 |
| 27. | COUTHERAND | 1825-1827 | 2 | - |
| 28. | COUTTERAND | 1846-1899 | 4 | 1 |
| 29. | COUTTET | 1865-1902 | 3 | 3 |