Commune/Paroisse : On [Luxembourg]
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | WALHAIN | 1916-1919 | 3 |
| 2. | WALHIN | 1913 | 1 |
| 3. | WALLON | 1905 | 2 |
| 4. | WARICHAIT | 1874 | 1 |
| 5. | WASTIAU | 1886 | 1 |
| 6. | WATELET | 1820-1892 | 11 |
| 7. | WATHELET | 1863-1903 | 6 |
| 8. | WATLET | 1869-1916 | 15 |
| 9. | WAUTHIER | 1874-1920 | 10 |
| 10. | WAUTRICHE | 1894 | 1 |
| 11. | WEBER | 1897 | 1 |
| 12. | WÉBER | 1892 | 1 |
| 13. | WILKIN | 1907 | 1 |
| 14. | WILMART | 1884 | 1 |
| 15. | WINANT | 1806-1913 | 2 |
| 16. | WUILLOT | 1846-1913 | 3 |
| 17. | WUILOT | 1823-1920 | 16 |
| 18. | WUINANT | 1801-1804 | 2 |