Commune/Paroisse : Passy [Haute-Savoie] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | COHENDET | 1798 | - | 1 |
| 2. | COLIN JACQUEMOUD | 1734 | - | 1 |
| 3. | COLLOMB | 1617-1738 | 10 | 3 |
| 4. | COLLON | 1700-1771 | 2 | 3 |
| 5. | COLLONA | 1732 | - | 1 |
| 6. | COLLONAZ | 1740-1742 | 1 | 1 |
| 7. | COLLONNAZ | 1669-1711 | 4 | 2 |
| 8. | COLLONT | 1699 | 1 | - |
| 9. | COLLOUX | 1761 | - | 1 |
| 10. | COLLUBRIER | 1716-1902 | 15 | 17 |
| 11. | COLLUBRY | 1671-1770 | 4 | 2 |
| 12. | COLLUBRŸ | 1749 | - | 2 |
| 13. | COLONAZ | 1689 | - | 1 |
| 14. | COLUBRIER | 1707-1827 | 4 | 4 |
| 15. | COLUBRIET | 1780 | 1 | - |
| 16. | COLUBRIR | 1707 | 2 | - |
| 17. | COLUBRY | 1686-1793 | 1 | 2 |
| 18. | COMBET | 1688 | 1 | - |
| 19. | COMMUNAL | 1814 | 1 | - |
| 20. | COMPARE | 1667 | - | 1 |
| 21. | COMTAT | 1873 | - | 1 |
| 22. | CONSEIL | 1763-1846 | 5 | 5 |
| 23. | CONVERSY | 1895 | 1 | - |
| 24. | COPEL | 1766 | - | 1 |
| 25. | CORLET | 1835-1905 | 3 | 3 |
| 26. | CORLEY | 1898 | 1 | - |
| 27. | CORNIER | 1624 | 1 | - |
| 28. | CORNU | 1905 | 1 | - |
| 29. | CORNUT | 1886 | - | 1 |
| 30. | CORTAY | 1741-1823 | 5 | 12 |
| 31. | CORTAZ | 1825 | - | 1 |
| 32. | CORTEY | 1617-1809 | 10 | 12 |
| 33. | COSNE? | 1813 | 1 | - |
| 34. | COSSEY | 1715 | 1 | - |
| 35. | COTERLAZ | 1835 | - | 1 |
| 36. | COTRTEY | 1730-1751 | 1 | 1 |
| 37. | COTTERLAZ | 1849-1884 | 3 | 1 |
| 38. | COTTET PUINEL | 1896 | - | 1 |
| 39. | COTTIN | 1898-1905 | 3 | 1 |
| 40. | COUDRAY | 1717-1797 | 5 | 2 |
| 41. | COUDRAY JACOUZ | 1750 | - | 1 |
| 42. | COUDRAY-JACOUZ | 1761 | - | 2 |
| 43. | COUDRÉ FATIBOL | 1689 | 1 | - |
| 44. | COUDREY | 1760-1820 | 1 | 2 |
| 45. | COUDREY LONG | 1678 | 1 | - |
| 46. | COUDREY-JACCOUX | 1824 | 1 | - |
| 47. | COUGNON | 1700 | 1 | - |
| 48. | COUPEL | 1731 | 1 | - |
| 49. | COURTAI | 1706 | 1 | - |
| 50. | COURTAIS | 1735 | - | 1 |
| 51. | COURTAZ | 1696 | 1 | - |
| 52. | COURTEY | 1727 | - | 1 |
| 53. | COURTY ? | 1721 | 1 | - |
| 54. | COUSSET | 1704 | 1 | - |
| 55. | COUTEL | 1852 | 1 | - |
| 56. | COUTET | 1858-1883 | 1 | 1 |
| 57. | COUTEY | 1795 | 1 | - |
| 58. | COUTTET | 1858-1899 | 4 | 1 |