Commune/Paroisse : Donzac [Tarn-et-Garonne] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | BACHELLE | 1788 | 1 |
| 2. | BACHERE | 1788 | 1 |
| 3. | BAGEL | 1854 | 1 |
| 4. | BAISSAC | 1782-1883 | 13 |
| 5. | BALZAC | 1809-1831 | 4 |
| 6. | BALZAC de | 1859-1883 | 3 |
| 7. | BANSE | 1836-1887 | 5 |
| 8. | BAQUE | 1820-1870 | 5 |
| 9. | BARADA | 1786-1904 | 13 |
| 10. | BARAGNES | 1855 | 1 |
| 11. | BARATS | 1922 | 1 |
| 12. | BARBASAN | 1824-1837 | 2 |
| 13. | BARBE | 1904 | 1 |
| 14. | BARBELANNE | 1853 | 1 |
| 15. | BARENS | 1832-1907 | 6 |
| 16. | BARET | 1793-1911 | 11 |
| 17. | BARJALIS | 1798 | 1 |
| 18. | BAROUSSE | 1858-1881 | 2 |
| 19. | BARRAISSE | 1921 | 1 |
| 20. | BARRENS | 1783 | 2 |
| 21. | BARRERE | 1799 | 1 |
| 22. | BARRES | 1779-1915 | 16 |
| 23. | BARRIE | 1841-1900 | 9 |
| 24. | BARRIERE | 1778-1781 | 2 |
| 25. | BARTEROTTE | 1781 | 1 |
| 26. | BAS | 1918 | 1 |
| 27. | BATAILLE | 1907 | 1 |
| 28. | BAUMES | 1836-1920 | 16 |
| 29. | BAUSAC | 1795-1844 | 5 |
| 30. | BAUZAC | 1780-1782 | 2 |
| 31. | BAYCHELLE | 1782-1910 | 24 |
| 32. | BAYCHERE | 1903 | 1 |
| 33. | BAYLAC | 1907 | 1 |
| 34. | BAYLE | 1780-1837 | 3 |
| 35. | BAYLET | 1777-1906 | 27 |
| 36. | BAYROU | 1788-1896 | 13 |
| 37. | BAZAILLAS | 1918 | 1 |
