Commune/Paroisse : Ruffieux [Savoie] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | COCHET | 1873 | 1 |
| 2. | COEN | 1679-1902 | 66 |
| 3. | COËN-PETIT JACQUES | 1804 | 1 |
| 4. | COENDET | 1688 | 1 |
| 5. | COËNDET-BURDA | 1717 | 1 |
| 6. | COËNG | 1856 | 1 |
| 7. | COËNX | 1733 | 1 |
| 8. | COHEN | 1663-1820 | 11 |
| 9. | COHEN/COUET | 1801 | 1 |
| 10. | COHENDET | 1661-1688 | 3 |
| 11. | COHIN | 1737 | 1 |
| 12. | COIN | 1719-1860 | 2 |
| 13. | COINGT | 1818-1819 | 2 |
| 14. | COINGT-THOMAS | 1820 | 1 |
| 15. | COLLANDET | 1881 | 1 |
| 16. | COLLIOT | 1681 | 1 |
| 17. | COLLOM | 1679 | 1 |
| 18. | COLLOMB | 1741-1747 | 2 |
| 19. | COLLOMB-LE ROUGE | 1746 | 1 |
| 20. | COLLOMB/PETELAT | 1808 | 1 |
| 21. | COLLOMBET | 1880 | 1 |
| 22. | COLLON | 1678-1775 | 5 |
| 23. | COLLONEL | 1869 | 1 |
| 24. | COLOMB | 1715 | 1 |
| 25. | COLOMBET | 1880 | 1 |
| 26. | COMBAZ | 1850 | 1 |
| 27. | COMBÉPINE | 1831 | 1 |
| 28. | COMBEPINE-GARAL | 1804 | 1 |
| 29. | COMBEPINE-GARAT | 1784-1875 | 4 |
| 30. | COMBEPINE-GARRAZ | 1808 | 1 |
| 31. | COMMOZ | 1837-1880 | 2 |
| 32. | COMOZ | 1816-1820 | 2 |
| 33. | CONSTANTIN | 1886 | 1 |
| 34. | CONZY | 1676 | 1 |
| 35. | COPPON | 1863 | 1 |
| 36. | CORDIER | 1734 | 1 |
| 37. | CORINTE | 1828 | 1 |
| 38. | CORNET | 1826 | 1 |
| 39. | CORNON | 1669 | 1 |
| 40. | CORNON-HENRY | 1667 | 1 |
| 41. | COTE | 1831 | 1 |
| 42. | COTTAIN | 1700 | 1 |
| 43. | COTTAS | 1676 | 1 |
| 44. | COTTE | 1855 | 1 |
| 45. | COTTET | 1867-1897 | 3 |
| 46. | COTTIN | 1661-1773 | 7 |
| 47. | COTTIN (EP) | 1670 | 1 |
| 48. | COTTIN-GOLLIARD | 1675 | 1 |
| 49. | COUDERAN | 1843 | 1 |
| 50. | COUDRIER | 1815 | 1 |
| 51. | COUDURIER | 1830-1886 | 5 |
| 52. | COUDURIER-GRAND DIAN/DENIS | 1825 | 1 |
| 53. | COULLOUD | 1889 | 1 |
| 54. | COULLOUD/COULOU | 1798 | 1 |
| 55. | COURBEPINE | 1840 | 1 |
| 56. | COUSTAIN | 1692 | 1 |
| 57. | COUTAIN | 1704 | 1 |
| 58. | COUTIN (EP) | 1725 | 1 |
| 59. | COÜEN | 1676 | 1 |