Commune/Paroisse : Saint-Louis-en-l'Isle [Dordogne] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | CANY | 1804 | 1 |
| 2. | CASTILLOU | 1768-1784 | 3 |
| 3. | CAVARTE | 1885 | 1 |
| 4. | CAZE | 1898 | 1 |
| 5. | CECONGA | 1792 | 1 |
| 6. | CELERIER | 1807-1893 | 2 |
| 7. | CELLERIER | 1799 | 1 |
| 8. | CHABINEAU | 1841 | 1 |
| 9. | CHADOURNE | 1848 | 1 |
| 10. | CHALIBA | 1792 | 3 |
| 11. | CHALIBAT | 1759-1894 | 8 |
| 12. | CHAMBARET | 1833 | 1 |
| 13. | CHAMBON | 1764-1787 | 3 |
| 14. | CHAPELLET | 1768-1806 | 3 |
| 15. | CHAPELLÉ | 1792 | 1 |
| 16. | CHARENTON | 1888 | 1 |
| 17. | CHASTANET | 1808-1883 | 3 |
| 18. | CHATEAU | 1756 | 1 |
| 19. | CHAUMARD | 1856 | 1 |
| 20. | CHAUMONT | 1909 | 1 |
| 21. | CHAUSSADE | 1807 | 1 |
| 22. | CHAUX | 1822 | 1 |
| 23. | CHEVAILLER | 1777 | 1 |
| 24. | CHEVALIER | 1801-1901 | 8 |
| 25. | CHEVALIER LAREYGNE | 1001 | 1 |
| 26. | CHIVAILLE | 1001-1861 | 6 |
| 27. | CHORT | 1832 | 1 |
| 28. | CLUZEAU | 1858-1910 | 2 |
| 29. | CONSTANT | 1892 | 1 |
| 30. | COUDERT | 1771 | 1 |
| 31. | COULONG | 1862 | 1 |
| 32. | COURRAIS | 1792 | 1 |
| 33. | COURTOIS | 1823-1883 | 3 |
| 34. | COUSSI | 1851 | 1 |
| 35. | COUSSY | 1799-1906 | 19 |
| 36. | COUSSY (LESPINASSE) | 1884 | 1 |
| 37. | COUSTILLAS | 1761-1851 | 10 |
| 38. | CUMENAL | 1769 | 1 |
| 39. | CUMINAL DUROZEL | 1795 | 1 |
| 40. | CURABET | 1844 | 1 |
| 41. | CUSINIER | 1824 | 1 |