| Patronyme | Lieu | Nombre de personnes | Date de début | Date de fin |
|---|
| LONDOM | Bastide-Clairence (La) Pyrénées Atlantiques France | 1 | 1879 | 1879 |
| LONG MONIER | Puyloubier Bouches-du-Rhône France | 1 | ? | ? |
| LONGIS | Masparraute Pyrénées Atlantiques France | 1 | 1763 | 1803 |
| LONG | Aubagne Bouches-du-Rhône France | 1 | 1462 | 1462 |
| LONGUE | Marseille Bouches-du-Rhône France | 1 | 1661 | 1710 |
| LONGUÉPÉE | Gouesnière (La) Ille-et-vilaine France - La Gouesnière | 1 | 1762 | 1762 |
| LONJON | Perpignan Pyrénées Orientales France | 1 | 1803 | 1852 |
| LOQUET | Silly-le-Long Oise France | 2 | 1633 | 1664 |
| LORANDEAU | Doué-la-Fontaine Maine-et-Loire France | 2 | 1605 | 1663 |
| LORCAT | Marseille Bouches-du-Rhône France | 1 | 1490 | 1490 |
| LORDA | Hasparren Pyrénées Atlantiques France | 3 | 1804 | 1836 |
| LORDEREAU | Joigny Yonne France | 1 | 1857 | 1857 |
| Oran, , , , Algérie | 1 | 1923 | 1923 |
| LORD | Nouvelle-Ecosse Canada - Port Royal | 1 | 1724 | 1724 |
| France | 1 | 1652 | 1652 |
| de LORÉ | Oisseau Mayenne France | 1 | 1350 | 1410 |
| LORET | Messei Orne France | 3 | 1585 | 1615 |
| Saires-la-Verrerie Orne France | 1 | 1743 | 1743 |
| LORILLARD | Fontenay-en-Parisis Val-d'Oise France | 1 | 1560 | 1573 |
| Marly-la-Ville Val-d'Oise France | 1 | 1542 | 1542 |
| LORINÉ | Dammard Aisne France | 1 | 1842 | 1842 |
| Ferté-Milon (La) Aisne France - La Ferté-Milon | 1 | 1861 | 1861 |
| LORIN | Tigné Maine-et-Loire France | 1 | 1580 | 1650 |
| Oran, , , , Algérie | 1 | 1856 | 1885 |
| de LORRAINE | Reims Marne France | 1 | 967 | 967 |
| Jérusalem, , , , Israël, Saint Sépulchre | 1 | 986 | 1046 |
| Jérusalem, , , , Israël | 1 | 1046 | 1046 |
| Echternach Echternach Luxembourg - L6401 | 1 | 939 | 939 |
| Maastricht Limbourg Pays bas - St Servais | 1 | 953 | 953 |
| Laon Aisne France | 1 | 953 | 953 |
| Orléans Loiret France - 45534 | 1 | 991 | 991 |
| LOSSE | Landroff Moselle France | 1 | 1672 | 1750 |
| LOTH | Boursonne Oise France | 2 | 1615 | 1675 |
| LOTTE | Boursonne Oise France | 1 | 1644 | 1664 |
| Saint-Georges-d'Oléron Charente-Maritime France | 1 | 1839 | 1871 |
| LOUAGE | Wattrelos Nord France | 1 | 1694 | 1694 |
| LOUBLAU | Cons-la-Grandville Meurthe-et-Moselle France | 1 | 1744 | 1744 |
| de LOUGRAS | Garris Pyrénées Atlantiques France | 1 | 1748 | 1748 |
| Saint-Jean-Pied-de-Port Pyrénées Atlantiques France | 1 | 1748 | 1748 |
| LOUIS | 1758 | 1 | 1697 | 1697 |
| Boncourt Meurthe-et-Moselle France | 1 | 1690 | 1712 |
| Cirey-sur-Vezouze Meurthe-et-Moselle France | 1 | 1775 | 1775 |
| Toul Meurthe-et-Moselle France | 2 | 1676 | 1759 |
| Naives-Rosières Meuse France | 1 | 1495 | 1495 |
| Saint-Jean-lès-Buzy Meuse France | 1 | 1735 | 1735 |
| Mouchin Nord France | 1 | 1700 | 1751 |
| Nomain Nord France | 1 | 1751 | 1751 |
| Lyon Rhône France | 1 | 1812 | 1812 |
| Aouze Vosges France | 1 | 1675 | 1729 |
| Bains-les-Bains Vosges France | 1 | 1755 | 1755 |
| Bellefontaine Vosges France | 11 | 1714 | 1782 |
| Belrupt Vosges France | 1 | 1756 | 1756 |
| Chapelle-aux-Bois (La) Vosges France | 1 | 1753 | 1753 |
| Charmois-l'Orgueilleux Vosges France | 6 | 1728 | 1815 |
| Dommartin-lès-Remiremont Vosges France | 11 | 1620 | 1740 |
| Vosges France - Franoult | 1 | 1645 | 1645 |
| Remiremont Vosges France | 1 | 1703 | 1703 |
| Rochesson Vosges France | 1 | 1587 | 1587 |
| Rupt-sur-Moselle Vosges France | 1 | 1698 | 1780 |
| Vecoux Vosges France | 1 | 1688 | 1688 |
| Hautevesnes Aisne France | 6 | 1650 | 1725 |
| Monthiers Aisne France - Picardie | 1 | 1688 | 1688 |
| LOUISON | Chambon-Feugerolles (Le) Loire France - Chambon Feugerolles- la Pauzière | 1 | 1875 | 1936 |
| Fouillouse (La) Loire France - 42480 | 1 | 1909 | 1909 |
| Jonzieux Loire France | 2 | 1625 | 1636 |
| Saint-Romain-les-Atheux Loire France - Rhône-Alpes | 1 | 1657 | 1657 |
| LOUME | Bardos Pyrénées Atlantiques France | 2 | 1649 | 1696 |
| LOURMAND | Saint-Paul-de-Fenouillet Pyrénées Orientales France | 1 | 1774 | 1815 |
| LOUTSCH | Nobressart Luxembourg Belgique - 81016 | 1 | 1762 | 1762 |
| LOUVET | Avignon Vaucluse France | 1 | 1370 | 1440 |
| LOUVIER | Lyon Rhône France | 1 | 1819 | 1853 |
| LOUYS | Neuviller-sur-Moselle Meurthe-et-Moselle France | 13 | 1680 | 1771 |
| Roville-devant-Bayon Meurthe-et-Moselle France | 1 | 1731 | 1764 |
| Thonne-la-Long Meuse France | 1 | 1660 | 1721 |
| Dommartin-lès-Remiremont Vosges France | 22 | 1651 | 1756 |
| LOYAU | Lion-d'Angers (Le) Maine-et-Loire France | 2 | 1640 | 1711 |
| LOYAUTÉ | Béthisy-Saint-Pierre Oise France | 1 | 1610 | 1680 |
| LOYENS | Tienen Brabant Flamand Belgique - 24107 | 1 | 1804 | 1804 |
| LOYSEAU | , , , , , Paroisse Saint Maurille | 2 | 1660 | 1691 |
| Ambillou-Château Maine-et-Loire France | 13 | 1688 | 1728 |
| Angers Maine-et-Loire France | 2 | 1660 | 1695 |
| Dénezé-sous-Doué Maine-et-Loire France | 1 | 1705 | 1730 |
| Doué-la-Fontaine Maine-et-Loire France | 1 | 1724 | 1724 |
| LOYSELEUR | Varennes-sur-Loire Maine-et-Loire France | 1 | 1746 | 1746 |
| Ambillou-Château Maine-et-Loire France | 16 | 1664 | 1799 |
| Ambillou-Château Maine-et-Loire France - Pays de la Loire | 1 | 1662 | 1727 |
| Chemellier Maine-et-Loire France | 1 | 1707 | 1707 |
| Doué-la-Fontaine Maine-et-Loire France | 1 | 1796 | 1796 |
| Grézillé Maine-et-Loire France | 1 | 1698 | 1698 |
| Louresse-Rochemenier Maine-et-Loire France | 1 | 1787 | 1787 |
| LOYZELEUR | Grézillé Maine-et-Loire France | 1 | 1727 | 1727 |
| LUBRET | Rumegies Nord France | 2 | 1619 | 1646 |
| LUCAS | Douchy-les-Mines Nord France | 1 | 1755 | 1755 |
| Prouvy Nord France | 1 | 1782 | 1782 |
| Nobressart Luxembourg Belgique - 81016 | 1 | 1793 | 1793 |
| Vch | 1 | 1962 | 1991 |
| LUCEAU | Tigné Maine-et-Loire France | 7 | 1554 | 1730 |
| Angers Maine-et-Loire France | 1 | 1760 | 1760 |
| Saint-Georges-sur-Layon Maine-et-Loire France | 1 | 1683 | 1683 |
| LUC | Luxeuil-les-Bains Haute-Saône France | 1 | 1734 | 1734 |
| Saulx Haute-Saône France | 1 | 1734 | 1734 |
| de LUCY | Alcester Warwickshire Grande-Bretagne | 1 | 1077 | 1077 |
| LUIGNOT LURQUIER | Meudon Hauts-de-Seine France | 1 | 1597 | 1614 |
| de LULLIER | Rabouillet Pyrénées Orientales France | 1 | 1677 | 1677 |
| LUMPENS | Schinnen Limbourg Pays bas | 2 | 1550 | 1662 |
| LUQUES | Prats-de-Sournia Pyrénées Orientales France | 1 | 1715 | 1715 |
| Rabouillet Pyrénées Orientales France | 1 | 1731 | 1731 |
| LUQUET | Saint-Étienne Loire France | 2 | 1654 | 1680 |
| LUSIER | Perpignan Pyrénées Orientales France | 1 | 1747 | 1802 |
| LUSSE | Saint-Rambert-en-Bugey Ain France | 1 | 1628 | 1699 |
| LUSSIER | Canada - Montréal | 1 | 1984 | 1984 |
| LUSSON | Chalonnes-sur-Loire Maine-et-Loire France | 1 | 1669 | 1669 |
| Montjean-sur-Loire Maine-et-Loire France | 1 | 1644 | 1681 |
| LUTON | Barcy Seine-et-Marne France | 1 | 1682 | 1745 |
| LUTTON | Moussy-le-Neuf Seine-et-Marne France | 1 | 1753 | 1753 |
| Saint-Soupplets Seine-et-Marne France | 1 | 1753 | 1753 |
| LUTZ | Pfaffenhoffen Bas-Rhin France | 1 | 1730 | 1774 |
| de LUXEMBOURG-SAINT POL | Rambures Somme France | 1 | 1390 | 1433 |
| de LUXEMBOURG | Bruxelles Bruxelles Belgique | 1 | 955 | 955 |
| Fiennes Pas-de-Calais France | 1 | 1447 | 1447 |
| LYE | Bristol, , , , UK | 1 | 1834 | 1834 |
| Curry Rivel, , , , UK | 1 | 1796 | 1796 |
| Somerset Grande-Bretagne - Butleigh | 1 | 1833 | 1833 |
| Langport Somerset Grande-Bretagne - UK | 2 | 1800 | 1819 |
| Somerton Somerset Grande-Bretagne | 1 | 1855 | 1855 |
| LYMPENS | Geleen Limbourg Pays bas | 1 | 1385 | 1385 |
| Schinnen Limbourg Pays bas | 3 | 1354 | 1552 |
| | | | | |
| MABILLE | Pillon Meuse France | 1 | 1832 | 1832 |
| Moussy-le-Neuf Seine-et-Marne France | 1 | 1712 | 1754 |
| MACARD CHAMPAGNE | Mareuil-sur-Ay Marne France | 1 | 1618 | 1618 |
| Quebec Quebec Canada - Québec | 1 | 1646 | 1659 |
| MACARI | Arboussols Pyrénées Orientales France | 1 | 1789 | 1789 |
| MACHEFER | Saint-Mathurin-sur-Loire Maine-et-Loire France | 1 | 1667 | 1667 |
| Saint-Sulpice Maine-et-Loire France | 1 | 1646 | 1646 |
| de MÂCON | Poitiers Vienne France | 1 | 1068 | 1068 |
| Saintes Charente-Maritime France | 1 | 1068 | 1068 |
| Besançon Doubs France | 1 | 885 | 945 |
| MADELINE | Caligny Orne France | 2 | 1650 | 1680 |
| Champsecret Orne France | 1 | 1719 | 1719 |
| Messei Orne France | 1 | 1676 | 1676 |
| MADER | Biesheim Haut-Rhin France | 1 | 1703 | 1703 |
| MADIGNIER | Lyon Rhône France | 1 | 1785 | 1785 |
| Taluyers Rhône France - 69440 | 1 | 1757 | 1824 |
| MAES | Rummen Brabant Flamand Belgique - 24095 | 2 | 1761 | 1801 |
| Kontich Anvers Belgique - 11024 | 8 | 1771 | 1849 |
| MAFOY | Budingen Brabant Flamand Belgique - 24017 | 1 | 1776 | 1776 |
| Rummen Brabant Flamand Belgique - 24095 | 8 | 1739 | 1805 |
| Berbroek Limbourg Belgique - 71003 | 1 | 1767 | 1767 |
| Schulen Limbourg Belgique - 71051 | 1 | 1818 | 1818 |
| MAFRA | Finestret Pyrénées Orientales France | 1 | 1646 | 1646 |
| MAGALON | Allauch Bouches-du-Rhône France | 2 | 1520 | 1525 |
| Cabriès Bouches-du-Rhône France | 1 | 1595 | 1595 |
| Marseille Bouches-du-Rhône France | 8 | 1522 | 1582 |
| MAGAND | Fouillouse (La) Loire France - 42480 | 2 | 1689 | 1809 |
| Saint-Genest-Lerpt Loire France | 1 | 1690 | 1719 |
| MAGAT | Tarare Rhône France | 1 | 1667 | 1667 |
| MAGNILLER | Mornant Rhône France - 69440 | 2 | 1445 | 1539 |
| Chazelles-sur-Lyon Loire France | 1 | 1492 | 1492 |
| MAGNY | Luxeuil-les-Bains Haute-Saône France | 4 | 1697 | 1762 |
| MAHAUT | Boncourt Meurthe-et-Moselle France | 1 | 1712 | 1712 |
| Conflans-en-Jarnisy Meurthe-et-Moselle France | 1 | 1690 | 1690 |
| MAHEUX | Paris Paris France | 3 | 1562 | 1618 |
| Quebec Quebec Canada - Québec | 2 | 1661 | 1663 |
| Rochelle (La) Charente-Maritime France | 1 | 1648 | 1648 |
| MAHIEU | Chantilly Oise France | 1 | 1694 | 1694 |
| MAIER | Biesheim Haut-Rhin France | 1 | 1887 | 1913 |
| Colmar Haut-Rhin France | 1 | 1969 | 1969 |
| MAIGNAN | Saint-André-de-la-Marche Maine-et-Loire France | 1 | 1664 | 1695 |
| MAIGRE | Saint-Rambert-en-Bugey Ain France | 1 | 1685 | 1758 |
| MAIGRET | Aviré Maine-et-Loire France - Pays de la Loire | 1 | 1594 | 1594 |
| Gené Maine-et-Loire France | 1 | 1673 | 1673 |