Commune/Paroisse : Brens [Haute-Savoie] 
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | MAILLET | 1828 | 1 |
| 2. | MAMBURIER | 1787-1867 | 2 |
| 3. | MAMET | 1936-1963 | 3 |
| 4. | MANGUE | 1614 | 1 |
| 5. | MANSEY | 1884 | 1 |
| 6. | MARET | 1687 | 1 |
| 7. | MAREY | 1693 | 1 |
| 8. | MARIN | 1618 | 1 |
| 9. | MARMIN | 1841-1855 | 2 |
| 10. | MARNILLIOZ | 1684 | 1 |
| 11. | MARTIN | 1840-1849 | 2 |
| 12. | MASSON | 1928 | 1 |
| 13. | MATHIEUX | 1885 | 1 |
| 14. | MATRINGE | 1787 | 1 |
| 15. | MAURICE | 1842 | 1 |
| 16. | MAURIS | 1709 | 1 |