Commune/Paroisse : Thonon-les-Bains [Haute-Savoie] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | LOCHON | 1688-1900 | 14 | 21 |
| 2. | LOISON | 1608 | - | 1 |
| 3. | LOMBARD | 1712-1890 | 29 | 37 |
| 4. | LONG | 1883 | 1 | - |
| 5. | LONGCHAMPT | 1649 | - | 1 |
| 6. | LONGET | 1733-1827 | 3 | 3 |
| 7. | LONGO | 1863 | 1 | - |
| 8. | LONNAZ DE | 1628-1714 | 2 | - |
| 9. | LORNAY DE | 1647 | 1 | - |
| 10. | LORT DE | 1735 | 1 | - |
| 11. | LOSTE | 1662 | - | 1 |
| 12. | LOTHE | 1855-1879 | 2 | 1 |
| 13. | LOTHOZ | 1863-1873 | 2 | 3 |
| 14. | LOUBET | 1885 | 1 | - |
| 15. | LOUVRIER | 1725-1791 | 1 | 4 |
| 16. | LOUYS DE | 1756 | - | 1 |
| 17. | LOVAZZANO | 1859 | - | 1 |
| 18. | LOYSON | 1884 | - | 1 |
| 19. | LOZENAT | 1841 | 1 | - |
| 20. | LOZENNAZ | 1792 | 1 | - |