Commune/Paroisse : Tourinnes-les-Ourdons [Brabant Wallon]
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | BAERS | 1594 | 1 | - |
| 2. | BAILLET | 1625 | 1 | - |
| 3. | BAILLI | 1785-1815 | 1 | 1 |
| 4. | BAJOU | 1663 | - | 1 |
| 5. | BAJOUX | 1775-1861 | 4 | 4 |
| 6. | BALAT | 1639 | - | 1 |
| 7. | BALSAT | 1767 | 1 | - |
| 8. | BALZA | 1834-1904 | 3 | - |
| 9. | BAR | 1678-1869 | 4 | - |
| 10. | BARA | 1658-1822 | - | 4 |
| 11. | BARAS | 1675-1866 | - | 2 |
| 12. | BARBIAU | 1779-1800 | - | 4 |
| 13. | BARBIAUX | 1778-1783 | 1 | 2 |
| 14. | BARBIER | 1810-1910 | 2 | 2 |
| 15. | BARBY | 1705 | 1 | - |
| 16. | BARE | 1813 | - | 1 |
| 17. | BARRA | 1686-1889 | - | 6 |
| 18. | BARRAS | 1638-1907 | 13 | - |
| 19. | BARRAT | 1681 | - | 1 |
| 20. | BARTEA | 1649-1678 | 2 | - |
| 21. | BARTEAU | 1612-1651 | 1 | 2 |
| 22. | BARTIA | 1618-1733 | 3 | 1 |
| 23. | BARTIAU | 1718-1720 | - | 2 |
| 24. | BASECQ | 1795-1824 | 1 | 1 |
| 25. | BASEQUE | 1828 | - | 1 |
| 26. | BASQUE | 1822 | - | 1 |
| 27. | BASTIANS | 1903 | 1 | - |
| 28. | BASTOGNE | 1647-1659 | - | 3 |
| 29. | BAUDET | 1750-1842 | 1 | 1 |
| 30. | BAUDILE | 1885 | 1 | - |
| 31. | BAUDOT | 1899 | 1 | - |
| 32. | BAUDUIN | 1790-1835 | 3 | 5 |
| 33. | BAURENT | 1774 | - | 1 |
| 34. | BAUTSON | 1690 | 2 | - |