Commune/Paroisse : Castelnau-de-Mandailles
| Patronymes | Périodes | Epoux | Epouses | |
|---|---|---|---|---|
| 1. | LACAL | 1847 | 1 | - |
| 2. | LACAN | 1793-1902 | 33 | 50 |
| 3. | LACAZE | 1795-1890 | 6 | 3 |
| 4. | LACHIE | 1885 | 1 | - |
| 5. | LACOSTE | 1825-1866 | 3 | - |
| 6. | LACROIX | 1804-1883 | 3 | 8 |
| 7. | LAGALIE | 1797-1899 | 31 | 27 |
| 8. | LAGARDE | 1889 | 1 | - |
| 9. | LAGARRIGUE | 1824 | 1 | - |
| 10. | LALO | 1806-1836 | 3 | 1 |
| 11. | LAMIC | 1821 | 1 | - |
| 12. | LAPEYRE | 1863-1893 | 3 | - |
| 13. | LAPORTE | 1797-1899 | 2 | - |
| 14. | LATOURNERIE | 1795-1807 | - | 2 |
| 15. | LAUR | 1868 | 1 | - |
| 16. | LAURENS | 1796-1862 | 1 | 8 |
| 17. | LAUTARD | 1805-1818 | 1 | 1 |