| Patronyme | Lieu | Nombre de personnes | Date de début | Date de fin |
|---|
| JACQUART | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1646 | 1708 |
| JAMET | Argental, Loire, Rhône-Alpes, FRANCE | 1 | 1702 | 1702 |
| Bourg-Argental, Loire, Rhône-Alpes, FRANCE | 22 | 1615 | 1759 |
| Saint-Julien-Molin-Molette, Loire, Rhône-Alpes, FRANCE | 3 | 1645 | 1688 |
| Burdignes, Loire, Rhône-Alpes, FRANCE | 1 | 1670 | 1670 |
| Saint-Sauveur-en-Rue, Loire, Rhône-Alpes, FRANCE | 3 | 1698 | 1732 |
| JAMOT | ? | 1 | 1635 | 1635 |
| JANAYRIAR | Confrançon, Ain, Rhône-Alpes, FRANCE | 1 | 1609 | 1609 |
| Dagneux, Ain, Rhône-Alpes, FRANCE | 1 | 1609 | 1609 |
| JANICAUD | Néoux, Creuse, Limousin, FRANCE | 7 | 1695 | 1762 |
| Saint-Avit-de-Tardes, Creuse, Limousin, FRANCE | 1 | 1731 | 1731 |
| JANSSEN | Arnèke, Nord, Nord-Pas-de-Calais, FRANCE | 2 | 1719 | 1822 |
| Wormhout, Nord, Nord-Pas-de-Calais, FRANCE | 2 | 1788 | 1822 |
| JAVELLE | Saint-Étienne, Loire, Rhône-Alpes, FRANCE | 1 | 1816 | 1838 |
| JEMBE | ? | 1 | ? | ? |
| JENNEQUIN | Pihem, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1686 | 1686 |
| Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1645 | 1645 |
| JOANNARD | ? | 1 | ? | ? |
| JOLY | Saint-Hilaire-de-Gondilly, Cher, Centre, FRANCE | 1 | 1827 | 1827 |
| Pradines, Corrèze, Limousin, FRANCE | 1 | 1773 | 1812 |
| Saint-Dizier, Haute-Marne, Champagne-Ardenne, FRANCE | 1 | 1925 | 1925 |
| Bona, Nièvre, Bourgogne, FRANCE | 3 | 1684 | 1745 |
| La Machine, Nièvre, Bourgogne, FRANCE | 1 | 1841 | 1841 |
| Saint-Benin-d'Azy, Nièvre, Bourgogne, FRANCE | 1 | 1692 | 1774 |
| Saint-Franchy, Nièvre, Bourgogne, FRANCE | 2 | 1777 | 1780 |
| Saint-Sulpice, Nièvre, Bourgogne, FRANCE | 1 | 1799 | 1799 |
| Thianges, Nièvre, Bourgogne, FRANCE | 1 | 1816 | 1816 |
| JONCKERE | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 2 | 1872 | 1975 |
| JONCKHEERE | Bambecque, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1720 | 1720 |
| Rubrouck, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1672 | 1672 |
| Wormhout, Nord, Nord-Pas-de-Calais, FRANCE | 4 | 1696 | 1788 |
| JOOS | ? | 1 | ? | ? |
| JORDEIN | ? | 2 | ? | ? |
| JOURJON | ? | 1 | ? | ? |
| JOURNET | Confrançon, Ain, Rhône-Alpes, FRANCE | 6 | 1668 | 1726 |
| Mézériat, Ain, Rhône-Alpes, FRANCE | 1 | 1635 | 1667 |
| JUBILET | Arnèke, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1645 | 1707 |
| Wormhout, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1669 | 1669 |
| JUDE | ? | 1 | 1764 | 1764 |
| JULIEN | ? | 1 | ? | ? |
| JULLIEN | Burdignes, Loire, Rhône-Alpes, FRANCE | 1 | 1751 | 1751 |
| | | | | |
| KINDT | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 3 | 1668 | 1781 |
| KINT | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1760 | 1760 |
| KOKINA | Koursk, Koursk, KOURSK, RUSSIE, FEDERATION DE | 1 | 1986 | 1986 |
| KOKIN | ? | 1 | ? | ? |
| de KYDTSPOTTER | Zuytpeene, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1823 | 1823 |
| Cassel, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1758 | 1758 |
| Hazebrouck, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1704 | 1704 |
| Saint-Sylvestre-Cappel, Nord, Nord-Pas-de-Calais, FRANCE | 7 | 1675 | 1822 |
| | | | | |
| L' HERMITE | ? | 1 | ? | ? |
| de LA PLACE | ? | 1 | ? | ? |
| LA TARTE | Thilleux, Haute-Marne, Champagne-Ardenne, FRANCE | 1 | 1671 | 1671 |
| de LA VIEFVILLE | ? | 4 | 1325 | 1390 |
| de LA VIGNE | ? | 2 | 1333 | 1333 |
| LABAEYE | Wormhout, Nord, Nord-Pas-de-Calais, FRANCE | 6 | 1610 | 1714 |
| LABAYE | Wormhout, Nord, Nord-Pas-de-Calais, FRANCE | 2 | 1656 | 1695 |
| LACHAUME | ? | 1 | 1731 | 1731 |
| LACHEVRE | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1711 | 1711 |
| LACOUR | Néoux, Creuse, Limousin, FRANCE | 2 | 1697 | 1746 |
| de LAETER | Saint-Sylvestre-Cappel, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1737 | 1766 |
| Terdeghem, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1716 | 1716 |
| LAFONT | Treignac, Corrèze, Limousin, FRANCE | 1 | 1688 | 1688 |
| Veix, Corrèze, Limousin, FRANCE | 1 | 1834 | 1834 |
| LAGACHE | Marconnelle, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1730 | 1730 |
| Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1755 | 1755 |
| LAGAIZE | Arques, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 2 | 1855 | 1861 |
| Longuenesse, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1674 | 1710 |
| Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1878 | 1926 |
| LAGARDE | Roche-la-Molière, Loire, Rhône-Alpes, FRANCE | 1 | 1892 | 1892 |
| LAHAYE | ? | 1 | ? | ? |
| LAMAND | ? | 1 | ? | ? |
| de LAMBERSART | ? | 1 | ? | ? |
| LAMBRECHT | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 10 | 1647 | 1825 |
| LAMOTTE | ? | 1 | ? | ? |
| LAMOURY | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1762 | 1762 |
| Bauvin, Nord, Nord-Pas-de-Calais, FRANCE | 2 | 1697 | 1766 |
| LANDON | Bourg-Argental, Loire, Rhône-Alpes, FRANCE | 1 | 1702 | 1779 |
| de LANNOY | ? | 1 | ? | ? |
| LARDEUR | Saint-Momelin, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1630 | 1712 |
| LARU | Château-sur-Cher, Puy-de-Dôme, Auvergne, FRANCE | 1 | 1810 | 1810 |
| LASSURE | ? | 1 | ? | ? |
| de LATTRE | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1698 | 1698 |
| LAURENCE | ? | 1 | ? | ? |
| LAURENT | Mézériat, Ain, Rhône-Alpes, FRANCE | 2 | 1738 | 1766 |
| Montrevel-en-Bresse, Ain, Rhône-Alpes, FRANCE | 2 | 1718 | 1732 |
| LAURIERE | Hondeghem, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1715 | 1752 |
| LAURIOL | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 2 | 1764 | 1807 |
| Castelsarrasin, Tarn-et-Garonne, Midi-Pyrénées, FRANCE | 1 | 1720 | 1720 |
| LAUVEIERE | ? | 1 | ? | ? |
| LAVAL | Saint-Hilaire-les-Courbes, Corrèze, Limousin, FRANCE | 1 | 1775 | 1775 |
| LAVEIX | ? | 1 | 1803 | 1803 |
| LAZERA | Château-sur-Cher, Puy-de-Dôme, Auvergne, FRANCE | 2 | 1788 | 1792 |
| Fontanières, Creuse, Limousin, FRANCE | 1 | 1828 | 1828 |
| LE COCQ | Lille, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1467 | 1517 |
| LE COMTE | ? | 1 | ? | ? |
| LE LOUP | Montier-en-Der, Haute-Marne, Champagne-Ardenne, FRANCE | 1 | ? | ? |
| LE TAILLEUR | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1590 | 1611 |
| LEBAILLY | ? | 1 | ? | ? |
| LEBRUN | Longuenesse, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1706 | 1706 |
| Tatinghem, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1685 | 1685 |
| LECAILLE | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 3 | 1719 | 1829 |
| LECAT | Ledringhem, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1637 | 1659 |
| LECLERC | Cappelle-Brouck, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1758 | 1758 |
| Lederzeele, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1807 | 1849 |
| Pitgam, Nord, Nord-Pas-de-Calais, FRANCE | 2 | 1782 | 1841 |
| LECLERCQ | Aire-sur-la-Lys, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1765 | 1810 |
| LECLUSE | Busnes, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 12 | 1615 | 1776 |
| Guarbecque, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1712 | 1712 |
| Lillers, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1749 | 1749 |
| LECOCQ | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1701 | 1763 |
| LECOMTE | ? | 1 | 1974 | 1974 |
| LEDOUX | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1872 | 1944 |
| LEFEBVRE | Calonne-sur-la-Lys, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1620 | 1677 |
| Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1834 | 1872 |
| Cassel, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1804 | 1804 |
| LEGRAIN | Aire-sur-la-Lys, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 2 | 1696 | 1760 |
| LEGRAND | Arques, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 2 | 1774 | 1817 |
| Bucquoy, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 11 | 1623 | 1746 |
| Febvin-Palfart, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1675 | 1675 |
| Roquetoire, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1760 | 1817 |
| Thilleux, Haute-Marne, Champagne-Ardenne, FRANCE | 1 | 1647 | 1688 |
| Renescure, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1743 | 1774 |
| Rubrouck, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1751 | 1751 |
| LEGROS | Néoux, Creuse, Limousin, FRANCE | 3 | 1772 | 1790 |
| LEJEUNE | ? | 1 | ? | ? |
| LELEU | ? | 1 | ? | ? |
| LELONG | ? | 1 | 1637 | 1637 |
| LEMAIRE | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 2 | 1887 | 1914 |
| Tournehem-sur-la-Hem, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1869 | 1869 |
| Hazebrouck, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1965 | 1965 |
| LENOIR | Landécourt, Meurthe-et-Moselle, Lorraine, FRANCE | 1 | 1683 | 1748 |
| Merviller, Meurthe-et-Moselle, Lorraine, FRANCE | 1 | 1710 | 1710 |
| de LENS | ? | 3 | 1317 | 1317 |
| de LEPOUVE | Herbelles, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 3 | 1686 | 1782 |
| LEQUIEN | Ecques, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1751 | 1778 |
| Roquetoire, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1826 | 1826 |
| LERAND | Arques, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 3 | 1782 | 1843 |
| Remilly-Wirquin, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 3 | 1818 | 1820 |
| LEROY | Clarques, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 2 | 1635 | 1707 |
| Delettes, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1713 | 1713 |
| Herbelles, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1698 | 1758 |
| de LESTORET | ? | 2 | ? | ? |
| LESTOUARD | Maclas, Loire, Rhône-Alpes, FRANCE | 1 | 1731 | 1731 |
| LETOURRE | Clarques, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 2 | 1629 | 1638 |
| LEULIEUX | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1802 | 1844 |
| LEWICQ | ? | 2 | ? | ? |
| de LIEU | ? | 1 | ? | ? |
| LIEVIN | ? | 1 | ? | ? |
| LIMOUSIN | Le Chambon-Feugerolles, Loire, Rhône-Alpes, FRANCE | 1 | 1919 | 1919 |
| LINOSSIER | Argental, Loire, Rhône-Alpes, FRANCE | 1 | 1576 | 1576 |
| LINTHOUT | Faches-Thumesnil, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1903 | 1903 |
| Lille, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1986 | 1986 |
| LIONET | Hazebrouck, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1882 | 1948 |
| LION | Confrançon, Ain, Rhône-Alpes, FRANCE | 1 | 1669 | 1669 |
| LISOGON | ? | 1 | 1711 | 1711 |
| LOMBART | Eps, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1731 | 1731 |
| Hestrus, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1696 | 1763 |
| LONGUENESSE | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1733 | 1733 |
| de LONGUEVILLE | ? | 1 | ? | ? |
| LORIAUX | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1904 | 1904 |
| LORIUS | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1867 | 1940 |
| LORTHIO | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1698 | 1760 |
| LORTHIOY | Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 1 | 1670 | 1697 |
| LORTIOY | Lierval, Aisne, Picardie, FRANCE | 1 | 1734 | 1734 |
| Saint-Omer, Pas-de-Calais, Nord-Pas-de-Calais, FRANCE | 4 | 1742 | 1880 |
| de LOS | Nieppe, Nord, Nord-Pas-de-Calais, FRANCE | 1 | 1731 | 1783 |