Commune/Paroisse : Castelsarrasin / Saint Sauveur [Tarn-et-Garonne] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | COLATI | 1717 | - | 1 |
| 2. | COLNELIES | 1778 | 1 | - |
| 3. | COLOM | 1698 | 1 | - |
| 4. | COLOMBIÉ | 1765-1766 | 2 | - |
| 5. | COLONGES (DE) | 1767 | - | 1 |
| 6. | COMBALDIEU | 1779-1787 | 2 | 3 |
| 7. | COMBEBIAC | 1690-1706 | 1 | 1 |
| 8. | COMBES | 1743 | 1 | - |
| 9. | COMBET | 1674 | 1 | - |
| 10. | COMBI | 1732 | 1 | - |
| 11. | COMBODALMA | 1662-1664 | 2 | - |
| 12. | COMBOLASSE | 1666 | 1 | - |
| 13. | COMBOURIEU | 1689 | 1 | - |
| 14. | COMBRÈS | 1719 | 1 | - |
| 15. | COMPAIN | 1669-1726 | 2 | - |
| 16. | COMPAING | 1662-1778 | 4 | 4 |
| 17. | COMPAN | 1671-1790 | 2 | 2 |
| 18. | COMPANS | 1766 | - | 1 |
| 19. | COMPTÉ | 1751 | - | 1 |
| 20. | CONAC | 1732 | 1 | - |
| 21. | CONDOMINE | 1699 | 1 | - |
| 22. | CONS | 1661-1710 | 2 | 1 |
| 23. | CONSTANS | 1660-1734 | 7 | 5 |
| 24. | CONTE | 1665-1771 | 2 | 1 |
| 25. | CORMOULS | 1666 | 1 | - |
| 26. | COUDERC | 1660-1791 | 13 | 10 |
| 27. | COUDOL | 1712-1777 | 3 | 2 |
| 28. | COUDOUN | 1668 | - | 1 |
| 29. | COUGET | 1668 | - | 1 |
| 30. | COULOM | 1662-1781 | 13 | 12 |
| 31. | COULONG | 1699 | 1 | - |
| 32. | COULONJOU | 1679-1786 | 7 | 6 |
| 33. | COURAU | 1689-1774 | 4 | 5 |
| 34. | COURAUT | 1764 | - | 1 |
| 35. | COURBIÈRE | 1760 | - | 1 |
| 36. | COURBIÈRES | 1763-1777 | - | 2 |
| 37. | COURONNAT | 1694 | 1 | - |
| 38. | COURRETS | 1763 | 1 | - |
| 39. | COURS | 1676 | - | 1 |
| 40. | COURTHIADE | 1775-1783 | 1 | 1 |
| 41. | COURTIADE | 1728-1730 | 1 | 1 |
| 42. | COUSI | 1762 | - | 1 |
| 43. | COUSSE | 1660-1782 | 6 | 11 |
| 44. | COUSTEAUX | 1686 | - | 1 |
| 45. | COUSTET | 1775-1781 | 2 | - |
| 46. | COUSTOU | 1667-1704 | 1 | 5 |
| 47. | COUTINES | 1697-1770 | 4 | 1 |
| 48. | COUTURES | 1663 | - | 1 |
| 49. | COUZI | 1773 | - | 1 |
