| Patronyme | Lieu | Nombre de personnes | Date de début | Date de fin |
|---|
| LANGE | Fiennes Pas-de-Calais France - , Nord-Pas-de-Calais | 3 | 1683 | 1732 |
| LANGENAIS | Contrières Manche France - , Basse-Normandie | 1 | 1864 | 1864 |
| Trelly Manche France - , Basse-Normandie | 1 | 1893 | 1893 |
| Longjumeau Essonne France - , Ile-de-France | 1 | 1996 | 1996 |
| Châtenay-Malabry Hauts-de-Seine France - , Ile-de-France | 1 | 1977 | 1977 |
| Sceaux Hauts-de-Seine France - , Ile-de-France | 2 | 1925 | 1957 |
| Arcueil Val-de-Marne France - , Ile-de-France | 1 | 1954 | 1954 |
| LANGHAME | Rinxent Pas-de-Calais France - , Nord-Pas-de-Calais | 7 | 1858 | 1887 |
| LANGHAM | Fiennes Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1871 | 1873 |
| Hardinghen Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1854 | 1854 |
| Montigny-en-Gohelle Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1912 | 1950 |
| Rety Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1852 | 1852 |
| Rinxent Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1869 | 1892 |
| LANGLAIS | Calais Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1786 | 1827 |
| Fiennes Pas-de-Calais France - , Nord-Pas-de-Calais | 3 | 1789 | 1846 |
| LANG | Paris Paris France - , Ile-de-France | 1 | 1884 | 1884 |
| LANGLE | Sachin Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1837 | 1876 |
| LANGLET | Annezin Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1892 | 1892 |
| Bouquehault Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1864 | 1864 |
| Calais Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1879 | 1893 |
| Calonne-Ricouart Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1895 | 1895 |
| Fiennes Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1805 | 1815 |
| Hardinghen Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1780 | 1780 |
| Hermelinghen Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1781 | 1781 |
| Rinxent Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1833 | 1843 |
| Witternesse Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1904 | 1904 |
| LANGLOIS | Bouquehault Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1762 | 1762 |
| Fiennes Pas-de-Calais France - , Nord-Pas-de-Calais | 5 | 1793 | 1856 |
| Hardinghen Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1835 | 1835 |
| Marquise Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1824 | 1875 |
| LANGRY | Ferté-Gaucher (La) Seine-et-Marne France - , Ile-de-France | 1 | 1906 | 1906 |
| Châtenay-Malabry Hauts-de-Seine France - , Ile-de-France | 1 | 1932 | 1932 |
| LANIESSE | Fiennes Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1896 | 1896 |
| Guînes Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1871 | 1871 |
| LANNES | Alençon Orne France - , Basse-Normandie | 1 | 1964 | 1964 |
| Flers Orne France - , Basse-Normandie | 1 | 1999 | 1999 |
| Bordeaux Gironde France - , Alsace | 5 | 1880 | 1929 |
| Arreau Hautes-Pyrénées France - , Midi-Pyrénées | 1 | 1942 | 1942 |
| Paris 18ème Paris France - , Ile-de-France | 1 | 1918 | 1918 |
| LANNEZ | Fiennes Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1900 | 1900 |
| Guînes Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1867 | 1867 |
| Hardinghen Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1871 | 1897 |
| LANNOYE ou ANSEL ? | Beuvrequen Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1807 | 1807 |
| LANNOY | Steenwerck Nord France - , Nord-Pas-de-Calais | 1 | 1713 | 1737 |
| Vieux-Berquin Nord France - , Nord-Pas-de-Calais | 1 | 1788 | 1788 |
| Alembon Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1823 | 1823 |
| Auchel Pas-de-Calais France - ?, Nord-Pas-de-Calais | 1 | 1930 | 1930 |
| Beuvrequen Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1765 | 1809 |
| Calonne-Ricouart Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1910 | 1928 |
| Camblain-Châtelain Pas-de-Calais France - , Nord-Pas-de-Calais | 4 | 1911 | 1956 |
| Divion Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1902 | 1902 |
| Esquerdes Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1832 | 1832 |
| Festubert Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1873 | 1875 |
| Fiennes Pas-de-Calais France - , Nord-Pas-de-Calais | 47 | 1652 | 1900 |
| Fouquières-lès-Lens Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1898 | 1943 |
| Hardinghen Pas-de-Calais France - , Nord-Pas-de-Calais | 6 | 1742 | 1894 |
| Hénin-Beaumont Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1891 | 1891 |
| Licques Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1874 | 1874 |
| Lumbres Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1871 | 1871 |
| Marquise Pas-de-Calais France - , Nord-Pas-de-Calais | 5 | 1813 | 1908 |
| Mazingarbe Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1999 | 1999 |
| Rebergues Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1829 | 1829 |
| Rety Pas-de-Calais France - , Nord-Pas-de-Calais | 3 | 1793 | 1856 |
| Rinxent Pas-de-Calais France - , Nord-Pas-de-Calais | 27 | 1819 | 1891 |
| Touquet-Paris-Plage (Le) Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1947 | 1947 |
| Wierre-Effroy Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1848 | 1865 |
| Paris 10ème Paris France - , Ile-de-France | 1 | 1975 | 1975 |
| LANOY | Echinghen Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1904 | 1904 |
| Saint-Étienne-au-Mont Pas-de-Calais France - St-Étienne-au-Mont, Nord-Pas-de-Calais | 1 | 1926 | 1975 |
| LANSIART | Bruay-la-Buissière Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1843 | 1901 |
| LANSMANT | Auchy-la-Montagne Oise France - , Picardie | 2 | 1899 | 1900 |
| Auchel Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1924 | 1939 |
| Somme France - Boisle, Picardie | 1 | 1875 | 1875 |
| LANTOINE | Hénin-Beaumont Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1906 | 1930 |
| LANVIN | Lille Nord France - , Nord-Pas-de-Calais | 1 | 1973 | 1973 |
| Auchel Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1895 | 1895 |
| Calonne-Ricouart Pas-de-Calais France - , Nord-Pas-de-Calais | 3 | 1705 | 1981 |
| Camblain-Châtelain Pas-de-Calais France - , Nord-Pas-de-Calais | 3 | 1917 | 1918 |
| LAPIERRE | Rety Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1855 | 1855 |
| Rinxent Pas-de-Calais France - , Nord-Pas-de-Calais | 15 | 1755 | 1886 |
| LAPLUME | Fenain Nord France - , Nord-Pas-de-Calais | 1 | 1962 | 1962 |
| Boursin Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1861 | 1865 |
| Colembert Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1856 | 1856 |
| Fiennes Pas-de-Calais France - , Nord-Pas-de-Calais | 5 | 1818 | 1945 |
| LAPOINTE | Cysoing Nord France - , Nord-Pas-de-Calais | 1 | 1902 | 1902 |
| Notre-Dame-de-Bondeville Seine-Maritime France - , Haute-Normandie | 1 | 1978 | 1978 |
| LAPORTE | Fiennes Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1786 | 1786 |
| Saint-Inglevert Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1786 | 1786 |
| LAQUAY | Auchel Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1929 | 1929 |
| Bruay-la-Buissière Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1984 | 1984 |
| Marles-les-Mines Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1907 | 1907 |
| LARCHEVÊQUE | Fiennes Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1716 | 1744 |
| LARDÉ | Lille Nord France - , Nord-Pas-de-Calais | 2 | 1976 | 1994 |
| Auchel Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 2008 | 2008 |
| Camblain-Châtelain Pas-de-Calais France - , Nord-Pas-de-Calais | 7 | 1885 | 1977 |
| Diéval Pas-de-Calais France - , Nord-Pas-de-Calais | 6 | 1749 | 1934 |
| Divion Pas-de-Calais France - , Nord-Pas-de-Calais | 4 | 1845 | 1899 |
| Fiefs Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1878 | 1911 |
| Hardinghen Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1907 | 1907 |
| Nédon Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1912 | 1912 |
| Ourton Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1862 | 1862 |
| LARDENOIS | Paris 13ème Paris France - , Ile-de-France | 1 | 1908 | 1908 |
| LARDET | Duisans Pas-de-Calais France - , Nord-Pas-de-Calais | 3 | 1845 | 1875 |
| Sailly-Labourse Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1905 | 1905 |
| Paris Paris France - , Ile-de-France | 1 | 1819 | 1819 |
| LAREUSSINE | Paris Paris France - , Ile-de-France | 1 | 1899 | 1899 |
| LARIDAN | Auchel Pas-de-Calais France - , Nord-Pas-de-Calais | 11 | 1892 | 1997 |
| Béthune Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1970 | 1970 |
| Bomy Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1804 | 1804 |
| Quernes Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1900 | 1900 |
| Montpellier Hérault France - , Languedoc-Roussillon | 1 | 2005 | 2005 |
| Witternesse Pas-de-Calais France - , Nord-Pas-de-Calais | 17 | 1829 | 1943 |
| LARIDANT | Camblain-Châtelain Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1912 | 1919 |
| Dohem Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1871 | 1871 |
| LARIVIÈRE | Aniche Nord France - , Nord-Pas-de-Calais | 1 | 1838 | 1857 |
| Beuvry Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1995 | 1995 |
| Blingel Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1798 | 1835 |
| Bruay-la-Buissière Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1890 | 1890 |
| Camblain-Châtelain Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1936 | 1936 |
| Liévin Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1913 | 1913 |
| LAROCHE | Bruay-la-Buissière Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1860 | 1964 |
| Mussy-sous-Dun Saône-et-Loire France - , Bourgogne | 1 | 1828 | 1828 |
| LARRIDAN | Witternesse Pas-de-Calais France - , Nord-Pas-de-Calais | 4 | 1839 | 1864 |
| Paris Paris France - , Ile-de-France | 1 | 1864 | 1864 |
| LARTÉSIEN | Camblain-Châtelain Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1848 | 1848 |
| Clarques Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1778 | 1778 |
| LARTICLE | Basècles Hainaut Belgique - | 1 | 1779 | 1779 |
| Anzin Nord France - , Nord-Pas-de-Calais | 2 | 1882 | 1900 |
| Bruay-sur-l'Escaut Nord France - , Nord-Pas-de-Calais | 1 | 1954 | 1954 |
| Raismes Nord France - , Nord-Pas-de-Calais | 1 | 1847 | 1847 |
| Leuze Namur Belgique - | 1 | 1827 | 1827 |
| LARTISIEN | Rebecques Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1814 | 1885 |
| Witternesse Pas-de-Calais France - , Nord-Pas-de-Calais | 3 | 1772 | 1882 |
| LARUSE | Calais Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1815 | 1815 |
| Rinxent Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1850 | 1873 |
| LASALLE | Alquines Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1775 | 1775 |
| Calais Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1904 | 1941 |
| Sangatte Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1964 | 1964 |
| LASNE | Autry-le-Châtel Loiret France - , Centre | 1 | 1945 | 1946 |
| LASSALLE | Alembon Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1875 | 1875 |
| LASSAUZÉ | Camblain-Châtelain Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1939 | 1939 |
| Divion Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1925 | 1925 |
| Mâcon Saône-et-Loire France - , Bourgogne | 1 | 1884 | 1884 |
| LASSELIN | Lourches Nord France - , Nord-Pas-de-Calais | 1 | 1894 | 1894 |
| Camblain-Châtelain Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1919 | 1919 |
| Houilles Yvelines France - , Ile-de-France | 1 | 1974 | 1974 |
| LATEUR | Beuvrages Nord France - , Nord-Pas-de-Calais | 2 | 1673 | 1743 |
| LATIGNAN | Fiennes Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1697 | 1737 |
| LATTAIGNANT | Ferques Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1906 | 1906 |
| LAUERIÈRE | Noordpeene Nord France - , Nord-Pas-de-Calais | 3 | 1789 | 1857 |
| LAURENT | Anzin Nord France - ?, Nord-Pas-de-Calais | 1 | 1906 | 1906 |
| Fosseuse Oise France - , Picardie | 1 | 1925 | 1925 |
| Aire-sur-la-Lys Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1822 | 1822 |
| Arras Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1862 | 1982 |
| Auchel Pas-de-Calais France - , Nord-Pas-de-Calais | 4 | 1883 | 1971 |
| Avion Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1933 | 1933 |
| Bours Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1905 | 1905 |
| Bruay-la-Buissière Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1989 | 1989 |
| Calais Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1966 | 1966 |
| Calonne-Ricouart Pas-de-Calais France - , Nord-Pas-de-Calais | 4 | 1894 | 1977 |
| Camblain-Châtelain Pas-de-Calais France - , Nord-Pas-de-Calais | 35 | 1835 | 1988 |
| Divion Pas-de-Calais France - , Nord-Pas-de-Calais | 3 | 1867 | 1969 |
| Lens Pas-de-Calais France - , Nord-Pas-de-Calais | 2 | 1904 | 1979 |
| Liévin Pas-de-Calais France - , Nord-Pas-de-Calais | 4 | 1842 | 1907 |
| Loos-en-Gohelle Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1962 | 1962 |
| Dieulefit Drôme France - , Rhône-Alpes | 2 | 1799 | 1851 |
| Witternesse Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1795 | 1795 |
| Rouen Seine-Maritime France - , Haute-Normandie | 1 | 1852 | 1852 |
| Draveil Essonne France - , Ile-de-France | 1 | 1981 | 1981 |
| LAVARDE | Arras Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1981 | 1981 |
| Auchel Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1981 | 1981 |
| Divion Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1926 | 1926 |
| Marles-les-Mines Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1903 | 1903 |
| LAVERDURE | Alembon Pas-de-Calais France - , Nord-Pas-de-Calais | 3 | 1799 | 1848 |
| Fiennes Pas-de-Calais France - , Nord-Pas-de-Calais | 1 | 1829 | 1871 |
| Pas-de-Calais France - Marles ?, Nord-Pas-de-Calais | 1 | 1892 | 1892 |
| Rinxent Pas-de-Calais France - , Nord-Pas-de-Calais | 9 | 1856 | 1886 |