Mariages
Commune/Paroisse : Opont [Luxembourg] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | Machurot | 1720 | - | 1 |
| 2. | Marbaise | 1782 | 1 | - |
| 3. | Marchal | 1703-1787 | 2 | 5 |
| 4. | Marié | 1706 | 1 | - |
| 5. | Marot | 1660 | - | 1 |
| 6. | Martin | 1717-1841 | 4 | 5 |
| 7. | Massin | 1669 | 1 | - |
| 8. | Mathieu | 1675-1739 | 1 | 4 |
| 9. | Mathieux | 1727 | 1 | - |
| 10. | Matthei | 1670 | - | 1 |
| 11. | Mercy | 1765 | 1 | - |
| 12. | Merny | 1679 | - | 1 |
| 13. | Michel | 1735 | 1 | - |
| 14. | Modave | 1778 | 1 | - |
| 15. | Monart | 1739-1790 | - | 3 |
| 16. | Monin | 1679 | 1 | - |
| 17. | Moreau | 1649 | 1 | - |
| 18. | Morel | 1841 | 1 | - |
| 19. | Moulin | 1718 | - | 1 |