Commune/Paroisse : Sedan
| Patronymes | Périodes | Actes | |
|---|---|---|---|
| 1. | LABARRIERE | 1926 | 1 |
| 2. | LABAUCHE | 1853-1878 | 3 |
| 3. | LABAUCHE DE SCHLOSSBERG | 1914 | 1 |
| 4. | LABEILLE | 1908-1912 | 2 |
| 5. | LACOLOMBE | 1856-1934 | 3 |
| 6. | LAGNY | 1859 | 1 |
| 7. | LALLEMAND | 1859-1900 | 2 |
| 8. | LALLEMANT | 1858-1946 | 2 |
| 9. | LALLEMENT | 1869-1933 | 9 |
| 10. | LAMBERT | 1861-1943 | 5 |
| 11. | LAMBINET | 1932 | 1 |
| 12. | LAMBLIN | 1933 | 1 |
| 13. | LAMBLING | 1923 | 1 |
| 14. | LAMORLETTE | 1907-1925 | 2 |
| 15. | LAMOTTE | 1897-1917 | 5 |
| 16. | LANOTTE | 1931-1933 | 2 |
| 17. | LARDI | 1877 | 1 |
| 18. | LARGUIER | 1917 | 1 |
| 19. | LAROCHE | 1894-1918 | 3 |
| 20. | LAURENT | 1924-1936 | 2 |
| 21. | LAURICHESSE | 1916 | 1 |
| 22. | LAUTH | 1934 | 1 |
| 23. | LAVENANT | 1914 | 1 |
| 24. | LAVOY | 1899 | 1 |
| 25. | LEBEAU | 1915 | 1 |
| 26. | LEBLOND | 1944 | 1 |
| 27. | LEBOEUF | 1864-1945 | 5 |
| 28. | LECARNE | 1929 | 1 |
| 29. | LECLAIRE | 1912-1921 | 2 |
| 30. | LECLERC | 1885 | 1 |
| 31. | LECOMPAGNON | 1934 | 1 |
| 32. | LECOMTE | 1856-1914 | 3 |
| 33. | LEGEE | 1913 | 1 |
| 34. | LEGROS | 1924 | 1 |
| 35. | LEHMANN | 1873-1880 | 2 |
| 36. | LEIPSCHER | 1876 | 1 |
| 37. | LEMAISTRE | 1856 | 1 |
| 38. | LEMOINE | 1947 | 1 |
| 39. | LENEL | 1937 | 1 |
| 40. | LENOBLE | 1856-1864 | 3 |
| 41. | LENTZ | 1899 | 1 |
| 42. | LEPERE | 1894 | 1 |
| 43. | LEPRETRE | 1922 | 1 |
| 44. | LEQUEUX | 1862 | 1 |
| 45. | LEROUGE | 1925-1942 | 2 |
| 46. | LETELLIER | 1922 | 1 |
| 47. | LETERNE | 1938 | 1 |
| 48. | LETRANGE | 1865-1910 | 2 |
| 49. | LETTERLE | 1889 | 1 |
| 50. | LHEUREUX | 1919 | 1 |
| 51. | LIEB | 1912 | 1 |
| 52. | LIEGEOIS | 1914 | 1 |
| 53. | LIMOUSIN | 1896 | 1 |
| 54. | LINGAT | 1922-1945 | 2 |
| 55. | LOCAR | 1911 | 1 |
| 56. | LOGEUX | 1866-1915 | 4 |
| 57. | LOISY | 1915 | 1 |
| 58. | LOOCK | 1908-1923 | 2 |
| 59. | LOOSLI | 1926 | 1 |
| 60. | LORILLERE | 1932 | 1 |
| 61. | LOTTE | 1900-1921 | 2 |
| 62. | LOUIS | 1904-1945 | 3 |
| 63. | LOUISE | 1946 | 1 |
| 64. | LOUPOT | 1877-1921 | 5 |
| 65. | LOUSBERG | 1915 | 1 |
| 66. | LOUSBERT | 1863-1881 | 2 |
| 67. | LUDWIG | 1935 | 1 |
| 68. | LUTZ | 1904 | 1 |