Commune/Paroisse : Castelnau-de-Mandailles
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | MAGE | 1849 | - | 1 |
| 2. | MAGER | 1828-1875 | 1 | 3 |
| 3. | MAGNE | 1797-1885 | 9 | 5 |
| 4. | MAJOREL | 1795-1902 | 8 | 4 |
| 5. | MALARET | 1820-1838 | - | 5 |
| 6. | MALAVELLE | 1855-1860 | - | 2 |
| 7. | MALET | 1811-1889 | 5 | 4 |
| 8. | MALRIEU | 1817-1844 | 3 | - |
| 9. | MARAL | 1807 | - | 1 |
| 10. | MARAN | 1818 | 1 | - |
| 11. | MARCILHAC | 1801-1899 | 17 | 17 |
| 12. | MARCILLAC | 1796 | 1 | - |
| 13. | MARCOU | 1902 | 1 | - |
| 14. | MARION | 1897 | - | 1 |
| 15. | MARTEL | 1895 | 1 | - |
| 16. | MARTIAL VERGNES | 1842 | 1 | - |
| 17. | MASSABIAU | 1824 | - | 1 |
| 18. | MASSEBUAU | 1832-1834 | 3 | - |
| 19. | MASSON | 1894 | 1 | - |
| 20. | MATAHT | 1896 | 1 | - |
| 21. | MATHAT | 1795-1897 | 8 | 11 |
| 22. | MAUREL | 1850-1879 | 2 | - |
| 23. | MAURI | 1845 | - | 1 |
| 24. | MAURY | 1806-1831 | 2 | 4 |
| 25. | MAYNEL | 1861 | 1 | - |
| 26. | MAYNIAL | 1812-1820 | - | 2 |