Commune/Paroisse : Contamine-sur-Arve [Haute-Savoie] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | COCHET | 1692-1873 | 10 | 8 |
| 2. | COCHET GRASSET | 1673-1717 | 1 | 1 |
| 3. | COHANIER | 1849-1909 | 2 | - |
| 4. | COLLARD | 1919 | 1 | - |
| 5. | COLLAT | 1651 | 1 | - |
| 6. | COLLET ( COTTET ) | 1673 | - | 1 |
| 7. | COLLOMB | 1687 | - | 1 |
| 8. | COMBAL | 1663 | - | 1 |
| 9. | COMTE | 1626-1843 | 23 | 20 |
| 10. | CONSTANTIN | 1879 | 1 | - |
| 11. | COPEL | 1821 | 1 | - |
| 12. | CORNUT | 1632-1887 | 7 | 3 |
| 13. | CORSIER | 1896 | - | 1 |
| 14. | COSTAZ | 1780 | - | 1 |
| 15. | COUDURIER | 1846-1854 | - | 2 |
| 16. | COULACIN | 1707 | - | 1 |
| 17. | COULAVIN | 1635-1844 | 20 | 12 |
| 18. | COURT | 1723-1753 | 1 | 1 |
| 19. | COUVETTE | 1802 | - | 1 |