Commune/Paroisse : Arlon [Luxembourg]
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | OBERS | 1870-1910 | 1 | 2 |
| 2. | ODAR | 1887-1902 | 2 | 2 |
| 3. | ODART | 1841-1845 | 2 | - |
| 4. | ODEYN | 1893 | 1 | - |
| 5. | OESTREICHER | 1848-1909 | 1 | 2 |
| 6. | OGER | 1869 | 1 | - |
| 7. | OLIGH | 1840-1855 | - | 2 |
| 8. | OLINGER | 1869-1881 | - | 2 |
| 9. | OLIVIER | 1908-1910 | 2 | - |
| 10. | OLQUET | 1904 | - | 1 |
| 11. | OMES | 1869-1902 | - | 2 |
| 12. | OMS | 1820-1834 | - | 2 |
| 13. | ONDEN | 1828 | 1 | - |
| 14. | ORBAN | 1884 | - | 1 |
| 15. | ORIGER | 1821-1910 | 2 | 4 |
| 16. | ORSONI | 1900 | 1 | - |
| 17. | ORTWERTH | 1903 | 1 | - |
| 18. | ORY | 1894 | 1 | - |
| 19. | OSVALDS | 1828 | - | 1 |
| 20. | OSWALD | 1886-1903 | 1 | 2 |
| 21. | OTHE | 1822-1855 | - | 3 |
| 22. | OUNGRE | 1885 | 1 | - |
| 23. | OZERAY | 1852 | 1 | - |