Commune/Paroisse : Chilly Mazarin [Essonne] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | Babille | 1704 | - | 1 |
| 2. | Babyle | 1710 | 1 | - |
| 3. | Bachelier | 1613-1639 | 2 | 1 |
| 4. | BADAIRE | 1866 | 1 | - |
| 5. | BADEAU | 1854 | - | 1 |
| 6. | Badran | 1642 | 1 | - |
| 7. | Baduf | 1730 | 1 | - |
| 8. | Badufe | 1731 | - | 1 |
| 9. | Baguelin | 1655 | 1 | - |
| 10. | Baguet | 1648 | - | 1 |
| 11. | BAILLARD | 1840 | 1 | - |
| 12. | Bailly | 1627-1865 | 11 | 8 |
| 13. | BALLU | 1768 | - | 1 |
| 14. | BALOCHE | 1810 | - | 1 |
| 15. | Barbaux | 1699-1718 | - | 2 |
| 16. | Barbier | 1649 | - | 1 |
| 17. | BARIER | 1758-1785 | 1 | 1 |
| 18. | Barnou | 1716 | - | 2 |
| 19. | Baron | 1639-1663 | - | 2 |
| 20. | BARRE | 1616-1777 | 1 | 2 |
| 21. | Barrier | 1665-1710 | 2 | 1 |
| 22. | Barrois | 1632-1634 | - | 2 |
| 23. | Barroy | 1629 | - | 1 |
| 24. | BARROYER | 1766 | 1 | - |
| 25. | BARTHELEMY | 1809-1812 | 1 | 1 |
| 26. | Barthélémy | 1715-1839 | 2 | 1 |
| 27. | BARTHéLéMY | 1809-1841 | - | 4 |
| 28. | Basile | 1699 | - | 1 |
| 29. | Basille | 1702 | - | 1 |
| 30. | BASSINET | 1794-1813 | 2 | - |
| 31. | BAUDE | 1768 | 1 | - |
| 32. | BAUDIN | 1766 | 1 | - |
| 33. | Baudon | 1736-1738 | 1 | 1 |
