Commune/Paroisse : Couloumé-Mondebat [Gers] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | BACHETTE | 1852 | - | 1 |
| 2. | BAHUS | 1763 | - | 1 |
| 3. | BAJON | 1878 | 1 | - |
| 4. | BALAS | 1843 | - | 1 |
| 5. | BALEICH | 1865 | - | 1 |
| 6. | BALIX | 1754-1904 | 5 | 9 |
| 7. | BALLARIN | 1879 | - | 1 |
| 8. | BAQUÉ | 1845-1901 | 6 | 5 |
| 9. | BARADA | 1866 | - | 1 |
| 10. | BARATHÉ | 1848-1908 | 3 | 1 |
| 11. | BARBAZAN | 1869 | - | 1 |
| 12. | BARBÉ | 1758-1909 | 2 | 1 |
| 13. | BARCARIN | 1867 | 1 | - |
| 14. | BARIQUERE | 1743-1847 | - | 2 |
| 15. | BARIQUÈRE | 1847 | - | 1 |
| 16. | BARRÈRE | 1854-1867 | 3 | 1 |
| 17. | BARRÉ | 1846-1858 | 1 | 3 |
| 18. | BARRIS | 1847-1895 | - | 3 |
| 19. | BARROS | 1882 | - | 1 |
| 20. | BARTHE | 1874-1901 | 2 | 1 |
| 21. | BATBÉZE | 1874 | - | 1 |
| 22. | BAUDENS | 1893 | 1 | - |
| 23. | BAUDRAN | 1753-1789 | 1 | 1 |
| 24. | BAYLAC | 1863-1905 | 3 | 8 |
| 25. | BAYLIES | 1751-1788 | 2 | 2 |
| 26. | BAZIAN | 1858 | - | 1 |
