Commune/Paroisse : Castelsarrasin / Saint Sauveur [Tarn-et-Garonne] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | BAY? | 1669 | 1 |
| 2. | BAYARD | 1680 | 1 |
| 3. | BAYETTE | 1692 | 1 |
| 4. | BAYLE | 1791 | 1 |
| 5. | BAYLETTE | 1643 | 1 |
| 6. | BAYORD | 1694 | 1 |
| 7. | BAYORT | 1684 | 1 |
| 8. | BAYROU | 1694-1782 | 3 |
| 9. | BAYSSE | 1660-1746 | 8 |
| 10. | BAYSSET | 1640-1737 | 34 |
| 11. | BAYSSIÉ | 1665 | 1 |
