Commune/Paroisse : Couloumé-Mondebat [Gers] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | CABIRO | 1753 | 1 | - |
| 2. | CABOS | 1854-1887 | 2 | 2 |
| 3. | CADROUIL | 1889 | - | 1 |
| 4. | CAHUZAC | 1862-1902 | 4 | 6 |
| 5. | CALVIN | 1764-1768 | 2 | - |
| 6. | CANDAU | 1891 | - | 1 |
| 7. | CANTAN | 1843-1909 | 7 | 9 |
| 8. | CANTONNET | 1894 | 1 | - |
| 9. | CAPDEVIELLE | 1860 | - | 1 |
| 10. | CAPDEVILLE | 1881 | 1 | - |
| 11. | CAPMARTIN | 1849-1888 | 6 | 6 |
| 12. | CARABIN | 1845-1846 | - | 4 |
| 13. | CARCHET | 1892 | 1 | - |
| 14. | CARIAT | 1869-1906 | 2 | - |
| 15. | CARPENTÉ | 1889 | - | 1 |
| 16. | CARRERE | 1844-1861 | 1 | 1 |
| 17. | CARRESSEUL | 1874 | - | 1 |
| 18. | CASIEUX | 1743-1868 | 3 | 1 |
| 19. | CASQUIL | 1911 | 1 | - |
| 20. | CASTAGNET | 1846-1880 | 2 | 2 |
| 21. | CASTAGNON | 1860 | 1 | - |
| 22. | CASTAY | 1754-1902 | 3 | 2 |
| 23. | CASTELLA | 1884 | - | 1 |
| 24. | CASTERA | 1853-1859 | 1 | 1 |
| 25. | CASTETS/CASTEX | 1843-1882 | 8 | 3 |
| 26. | CATALA | 1880-1884 | 2 | - |
| 27. | CAUMONT | 1743-1904 | 8 | 10 |
| 28. | CAUPENNE | 1859-1878 | 1 | 1 |
| 29. | CAUSSADE | 1738-1909 | 7 | 7 |
| 30. | CAUSTRA | 1904 | 1 | - |
| 31. | CAUZETTE | 1906 | - | 1 |
| 32. | CAYRET | 1872 | 1 | 1 |
| 33. | CAZABAT | 1890-1910 | 1 | 1 |
| 34. | CAZALIEU | 1855 | 2 | - |
| 35. | CAZALONG | 1848 | - | 2 |
| 36. | CAZANOVE | 1765 | 1 | - |
| 37. | CAZAUBON | 1882 | - | 1 |
| 38. | CAZENAVE | 1863-1912 | 1 | 1 |
| 39. | CAZENEUVE | 1877 | - | 2 |
| 40. | CAZESSUS | 1785 | - | 1 |
| 41. | CAZIEUX | 1772-1906 | 7 | 7 |