Commune/Paroisse : Baisy-Thy [Brabant wallon] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | BADART, | 1805-1836 | 5 |
| 2. | BAILLY, | 1840-1856 | 3 |
| 3. | BALESTRIE, | 1821-1855 | 7 |
| 4. | BARTHOLOME, | 1855 | 1 |
| 5. | BASSAUX, | 1820 | 1 |
| 6. | BAUDE, | 1837-1840 | 2 |
| 7. | BAUDET, | 1835-1844 | 3 |
| 8. | BAUDOUX, | 1813-1860 | 11 |
| 9. | BAULOYE, | 1824-1849 | 2 |
| 10. | BAUTHIER, | 1847 | 1 |
| 11. | BEAUDOUX, | 1813 | 1 |
| 12. | BECQUET, | 1805-1855 | 7 |
| 13. | BECQUEVORT, | 1846 | 1 |
| 14. | BELOT, | 1817 | 1 |
| 15. | BERGIERS, | 1815 | 1 |
| 16. | BERLAIMONT, | 1852 | 1 |
| 17. | BERLIMOULIN, | 1812 | 1 |
| 18. | BERNARD, | 1818-1851 | 5 |
| 19. | BERNIMOULIN, | 1798-1865 | 5 |
| 20. | BERNY, | 1806-1857 | 4 |
| 21. | BERTAU, | 1817 | 1 |
| 22. | BERTEAU, | 1858 | 1 |
| 23. | BEVE, | 1810 | 1 |
| 24. | BIERSAERTS, | 1847 | 1 |
| 25. | BLAES, | 1819 | 1 |
| 26. | BLAISE, | 1807-1811 | 2 |
| 27. | BLICQUE, | 1821 | 1 |
| 28. | BLOCRIT, | 1832-1855 | 2 |
| 29. | BLOCRÿ, | 1838 | 1 |
| 30. | BONJEAN, | 1810 | 1 |
| 31. | BONNEVIE, | 1833-1854 | 6 |
| 32. | BORREMANS, | 1817-1836 | 6 |
| 33. | BORZIN, | 1852 | 1 |
| 34. | BOTERDAEL, | 1835 | 1 |
| 35. | BOTTE, | 1843 | 1 |
| 36. | BOUCHER, | 1859 | 1 |
| 37. | BOUDIN, | 1842 | 1 |
| 38. | BOULEMBERG, | 1851 | 1 |
| 39. | BOULET, | 1821-1860 | 5 |
| 40. | BOURGUIGNON, | 1837 | 1 |
| 41. | BOURMAUCK, | 1845 | 1 |
| 42. | BOURMOCK, | 1827-1837 | 2 |
| 43. | BOURMORCK, | 1855 | 1 |
| 44. | BOURMORCQ, | 1819-1860 | 2 |
| 45. | BOUVY, | 1824 | 1 |
| 46. | BOUX, | 1844 | 1 |
| 47. | BRASSEUR, | 1803-1859 | 8 |
| 48. | BRASSINE, | 1815 | 1 |
| 49. | BREDA, | 1837 | 1 |
| 50. | BRIARD, | 1825 | 1 |
| 51. | BRIART, | 1816-1854 | 4 |
| 52. | BROWET, | 1817-1857 | 6 |
| 53. | BRUNARD, | 1819-1847 | 3 |
| 54. | BRUYERE, | 1836 | 1 |
| 55. | BUCHET, | 1811-1832 | 4 |
| 56. | BULTOT, | 1815-1860 | 12 |
| 57. | BUSET, | 1776-1854 | 4 |
