Commune/Paroisse : Dunkerque
| Patronymes | Périodes | Epoux | Epouses | |
|---|---|---|---|---|
| 1. | ORANGE | 1886 | 1 | - |
| 2. | ORBAN | 1858 | 1 | - |
| 3. | ORBANIS | 1640 | 1 | - |
| 4. | ORBELEIN | 1736 | - | 1 |
| 5. | ORBELIN | 1693 | - | 1 |
| 6. | ORBLAIN | 1695 | 1 | - |
| 7. | OREEL | 1720-1888 | 11 | 14 |
| 8. | OREIL | 1848 | 1 | - |
| 9. | OREILLE | 1779 | 1 | - |
| 10. | OREMUS | 1760 | 1 | - |
| 11. | ORENGIE | 1769 | - | 1 |
| 12. | ORENS | 1753 | - | 1 |
| 13. | ORFORT | 1684 | 1 | - |
| 14. | ORIENT | 1765 | - | 1 |
| 15. | ORIGNY | 1696 | 1 | - |
| 16. | ORIOT | 1777 | 1 | - |
| 17. | ORMAN | 1642 | - | 1 |
| 18. | ORMY | 1642 | 1 | - |
| 19. | ORNOYS | 1707 | - | 1 |
| 20. | ORRIDGE | 1754 | 1 | - |
| 21. | ORSENOU | 1677 | 1 | - |
| 22. | ORTCO | 1727 | 1 | - |
| 23. | ORTHEGHE | 1635 | 1 | - |
| 24. | ORTION | 1798-1825 | 1 | 2 |
| 25. | ORY | 1738 | 1 | - |
| 26. | ORYER | 1649 | 1 | - |