Commune/Paroisse : Louisbourg [Île Royale]
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | COBIOS | 1757 | 1 | - |
| 2. | COCH | 1733 | 1 | - |
| 3. | COCHEREST | 1757 | 1 | - |
| 4. | COCHERET | 1756 | 1 | - |
| 5. | COCQ | 1732 | 1 | - |
| 6. | COCQ dit BÉLAIRE | 1732 | 1 | - |
| 7. | COËNDO | 1729 | 1 | - |
| 8. | COGUEREN | 1737 | 1 | - |
| 9. | COINDOT | 1727 | 1 | - |
| 10. | COINON | 1757-1758 | 2 | - |
| 11. | COLB | 1757 | 1 | - |
| 12. | COLIN | 1755-1757 | 2 | - |
| 13. | COLLERE | 1732 | 1 | - |
| 14. | COLLONQUES | 1732 | 2 | - |
| 15. | COLONGUE | 1737 | 1 | - |
| 16. | COMBES | 1756 | 1 | - |
| 17. | COMER | 1757 | 1 | - |
| 18. | COMMEAUX | 1756 | 1 | - |
| 19. | COMMER | 1733-1758 | 3 | - |
| 20. | CONTOIS | 1732 | 1 | - |
| 21. | CONVENANCE | 1754-1756 | 2 | - |
| 22. | CORET | 1757 | 1 | - |
| 23. | CORIOT | 1754-1757 | 4 | - |
| 24. | CORPORON | 1728-1755 | 7 | 2 |
| 25. | CORRE | 1755 | 1 | - |
| 26. | CORRIOT | 1755 | 1 | - |
| 27. | COSTERA | 1737 | 1 | - |
| 28. | COTTANTIN | 1729 | 1 | - |
| 29. | COUARDE | 1757 | 1 | - |
| 30. | COUPAR | 1735 | 1 | - |
| 31. | COURNAILLEAU | 1756 | 1 | - |
| 32. | COURNOYER | 1737 | 1 | - |
| 33. | COURTHIAU | 1733-1755 | 2 | - |
| 34. | COUSARD | 1732 | 1 | - |
| 35. | COUSIN | 1757-1758 | 2 | - |
| 36. | COUSIN LAVIGNE | 1758 | 1 | - |
| 37. | COUSTARD | 1754-1757 | 2 | - |
| 38. | COUTAN | 1757 | 1 | - |