Commune/Paroisse : Poisy [Haute-Savoie] 
| Patronymes | Périodes | Intervenant 1 | Intervenant 2 | |
|---|---|---|---|---|
| 1. | LA MOTTE | 1655 | 1 | - |
| 2. | LA PLACE DIT CARRION | 1720 | - | 1 |
| 3. | LA PLUME | 1677 | - | 1 |
| 4. | LACHENAL | 1683-1731 | 2 | 2 |
| 5. | LACOMBE | 1889 | 1 | - |
| 6. | LACROIX | 1754-1833 | 2 | 1 |
| 7. | LAFRASSE | 1789-1857 | - | 2 |
| 8. | LAIDEVANT | 1821-1846 | 2 | - |
| 9. | LAMBERT | 1667-1741 | 1 | 2 |
| 10. | LAMOUILLE | 1774-1820 | - | 3 |
| 11. | LANT--- | 1645 | 1 | - |
| 12. | LANTERNIER | 1881 | 1 | - |
| 13. | LAPIERE | 1602 | 1 | - |
| 14. | LAPIERRE | 1600-1602 | 1 | 1 |
| 15. | LAPLACE | 1853 | 1 | - |
| 16. | LAUBE | 1860 | 1 | - |
| 17. | LAUBEZ | 1887 | - | 1 |
| 18. | LAUGIER | 1887 | 1 | - |
| 19. | LAVOIS | 1808 | 1 | - |
| 20. | LAVOREL | 1705-1885 | 17 | 4 |
| 21. | LAYDERNIER | 1710 | 1 | - |
| 22. | LEDEVANT | 1816 | 1 | - |
| 23. | LEVET | 1696-1883 | 1 | 1 |
| 24. | LIARD | 1768-1850 | 8 | 3 |
| 25. | LUISET | 1822 | - | 1 |
| 26. | LUPIN | 1884 | 1 | - |
| 27. | LYARD | 1837-1887 | 10 | 12 |
| 28. | LYONNAZ | 1887 | 1 | 1 |