Commune/Paroisse : Castelsarrasin / Saint Sauveur [Tarn-et-Garonne] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | BUFFAR MOREL | 1776-1777 | 2 |
| 2. | BUFFARD MOREL | 1774 | 1 |
| 3. | BUGNES? | 1627 | 1 |
| 4. | BULLAC | 1683 | 2 |
| 5. | BURAT | 1640 | 1 |
| 6. | BURES | 1604-1661 | 15 |
| 7. | BURET | 1681 | 1 |
| 8. | BURGAN | 1671-1763 | 7 |
| 9. | BURGAUD | 1657 | 1 |
| 10. | BURI | 1706 | 1 |
| 11. | BURIS | 1627-1778 | 31 |
| 12. | BURUS | 1643 | 1 |
| 13. | BUSABILE? | 1626 | 1 |
| 14. | BUSOUN | 1666 | 1 |
| 15. | BUSQUET | 1606-1623 | 6 |
| 16. | BUZOLABE? | 1628 | 1 |
