| Patronyme | Deuxième Patronyme | Min. | Max. | Lieux | N° Adh | Noms Adhérents |
| LA RUE | 1690 | 1810 | VIMINES | 21170 | MARTIN-CLARET Michèle | |
| LABBE | 1709 | SAINT SULPICE | 21250 | CASTELLAZZI Evelyne | ||
| LABBE | 1670 | 1750 | VIMINES | 21170 | MARTIN-CLARET Michèle | |
| LABE | 1813 | 1813 | SAINT CASSIN | 21654 | MAINGUY Jean-Jacques | |
| LABE | 1784 | 1808 | VIMINES | 21654 | MAINGUY Jean-Jacques | |
| LABORET | 1701 | 1772 | FRANCIN | 21250 | CASTELLAZZI Evelyne | |
| LABORET | 1879 | 1879 | FRANCIN | 21166 | DUPONT Maryse | |
| LACHENAL | 1816 | 1827 | ALBERTVILLE | 20801 | BISILLIAT-DONNET Paul & Gisèle | |
| LACHENAL | 1875 | 1950 | ALBERTVILLE | 21369 | GUYOT Jean & Rolande | |
| LACHENAL | 1703 | 1703 | BELLECOMBE EN BAUGES | 21115 | COTTARD Bernard | |
| LACHENAL | 1881 | 1881 | CESARCHES | 21369 | GUYOT Jean & Rolande | |
| LACHENAL | 1600 | 1680 | CHATEAUNEUF | 21293 | GUISE Pierre | |
| LACHENAL | 1781 | 1781 | LA CHAPELLE BLANCHE | 21115 | COTTARD Bernard | |
| LACHENAL | 1794 | 1794 | QUEIGE | 20801 | BISILLIAT-DONNET Paul & Gisèle | |
| LACOSTAZ | 1760 | 1785 | FLUMET | 21684 | GEORGES-BIVILLE Anne-Marie | |
| LACROIX | 1722 | 1744 | CHAMBERY | 21006 | MONDON Jean | |
| LACROIX | 1805 | 1878 | MARTHOD | 21369 | GUYOT Jean & Rolande | |
| LACROIX | 1727 | 1727 | THENESOL | 21369 | GUYOT Jean & Rolande | |
| LACROIX | 1829 | 1829 | UGINE | 21369 | GUYOT Jean & Rolande | |
| LAFFIN | 1967 | 1967 | BASSENS | 21430 | DERIPPE Georges Henri | |
| LAFONTAINE | 1943 | 1943 | BASSENS | 21166 | DUPONT Maryse | |
| LAGAT | 1615 | 1710 | CHIGNIN | 21244 | FLOC'H-EXCOFFON Jacqueline | |
| LALLIER | GOLLET | 1824 | 1824 | UGINE | 20801 | BISILLIAT-DONNET Paul & Gisèle |
| LAMBERT | 0 | 0 | ARVILLARD | 21369 | GUYOT Jean & Rolande | |
| LAMBERT | CHAMBERY | 20421 | CHEVALLIER André-Marc | |||
| LAMBERT | 1764 | 1764 | DETRIER | 21369 | GUYOT Jean & Rolande | |
| LAMBERT | 1820 | 1896 | ETABLE | 21407 | MAILLY Colette | |
| LAMBERT | 1750 | 1800 | PRESLE | 20419 | FRANCHI Renée | |
| LAMBERT | 1793 | ROTHERENS | 21407 | MAILLY Colette | ||
| LAMBRY | 1997 | 1997 | CHAMBERY | 21369 | GUYOT Jean & Rolande | |
| LANCE | 1782 | SAINT BALDOPH | 21250 | CASTELLAZZI Evelyne | ||
| LANDOZ | dit COMPTE | 1636 | 1709 | VIMINES | 21250 | CASTELLAZZI Evelyne |
| LAPERRIERE | 1667 | 1736 | LE CHATELARD | 20180 | BERTHOD Xavier | |
| LAPLAGNAT | 1728 | 1728 | UGINE | 20801 | BISILLIAT-DONNET Paul & Gisèle | |
| LARAVOIRE | 1937 | 1937 | CHAMBERY | 21166 | DUPONT Maryse | |
| LARAVOYRE | (DE) | 1580 | 1580 | LA RAVOIRE | 21166 | DUPONT Maryse |
| LARD | 1675 | SAINT THIBAUD DE COUZ | 21250 | CASTELLAZZI Evelyne | ||
| LARDERAT | 1695 | CHAMBERY | 21250 | CASTELLAZZI Evelyne | ||
| LARUE | 1690 | 1810 | VIMINES | 21170 | MARTIN-CLARET Michèle | |
| LASSIAZ | 1994 | 1994 | AIX LES BAINS | 21369 | GUYOT Jean & Rolande | |
| LASSIAZ | 1910 | 2000 | ALBERTVILLE | 21369 | GUYOT Jean & Rolande | |
| LASSIAZ | 1912 | 1915 | VENTHON | 21369 | GUYOT Jean & Rolande | |
| LATHUILLE | 1830 | 1830 | MERCURY | 21369 | GUYOT Jean & Rolande | |
| LAURENT | 1992 | 1992 | CHAMBERY | 21773 | CHAUFFIER Sandrine | |
| LAURENT | 1843 | 1913 | MONTCEL | 21773 | CHAUFFIER Sandrine | |
| LAURENT | 1916 | 1916 | SAINT CASSIN | 21654 | MAINGUY Jean-Jacques | |
| LAURENT | 1639 | SAINT PAUL SUR YENNE | 21250 | CASTELLAZZI Evelyne | ||
| LAURENT | 1907 | 1907 | TREVIGNIN | 21773 | CHAUFFIER Sandrine | |
| LAURENT | 1588 | VIMINES | 21250 | CASTELLAZZI Evelyne | ||
| LAZARET | 1936 | 1980 | CHAMBERY | 21641 | LAZARETH Robert | |
| LAZARET | 1882 | 1885 | COISE SAINT JEAN PIED GAUTHIER | 21641 | LAZARETH Robert | |
| LAZARET | 1845 | FRANCIN | 21641 | LAZARETH Robert | ||
| LAZARET | 1859 | LA CHAPELLE BLANCHE | 21641 | LAZARETH Robert | ||
| LAZARET | 1797 | LA TRINITE | 21641 | LAZARETH Robert | ||
| LAZARET | 1822 | LES MOLETTES | 21641 | LAZARETH Robert | ||
| LAZARET | 1768 | 1991 | MONTMELIAN | 21641 | LAZARETH Robert | |
| LAZARET | 1931 | 1933 | PLANAISE | 21641 | LAZARETH Robert | |
| LAZARET | 1647 | 1936 | SAINT PIERRE DE SOUCY | 21641 | LAZARETH Robert | |
| LAZARET | 1865 | 1983 | SAINTE HELENE DU LAC | 21641 | LAZARETH Robert | |
| LAZARETH | 1936 | 1980 | CHAMBERY | 21641 | LAZARETH Robert | |
| LAZARETH | 1845 | FRANCIN | 21641 | LAZARETH Robert | ||
| LAZARETH | 1859 | LA CHAPELLE BLANCHE | 21641 | LAZARETH Robert | ||
| LAZARETH | 1797 | LA TRINITE | 21641 | LAZARETH Robert | ||
| LAZARETH | 1822 | LES MOLETTES | 21641 | LAZARETH Robert | ||
| LAZARETH | 1768 | 1991 | MONTMELIAN | 21641 | LAZARETH Robert | |
| LAZARETH | 1931 | 1933 | PLANAISE | 21641 | LAZARETH Robert | |
| LAZARETH | 1647 | 1936 | SAINT PIERRE DE SOUCY | 21641 | LAZARETH Robert | |
| LAZARETH | 1865 | 1983 | SAINTE HELENE DU LAC | 21641 | LAZARETH Robert | |
| LEGER | 1783 | 1803 | AIX LES BAINS | 20421 | CHEVALLIER André-Marc | |
| LEGER | 1654 | 1738 | CELLIERS | 21813 | DUSSANDIER Marie France | |
| LEGER | 1807 | 1807 | GRESY SUR AIX | 21773 | CHAUFFIER Sandrine | |
| LEGER | 1627 | 1830 | LA CHAPELLE BLANCHE | 21115 | COTTARD Bernard | |
| LEGER | 1843 | 1849 | MONTCEL | 21773 | CHAUFFIER Sandrine | |
| LEGER | 1683 | 1683 | SAINTE REINE | 21115 | COTTARD Bernard | |
| LHOPITAL | BURDIN | 1722 | 1752 | UGINE | 21369 | GUYOT Jean & Rolande |
| L'HOSPITAL | (DE) | 1580 | 1651 | MARTHOD | 21631 | GUILLON Gilberte |
| LIAUDET | 1685 | VIMINES | 21250 | CASTELLAZZI Evelyne | ||
| LIGEON | 1760 | 1799 | MERCURY | 21369 | GUYOT Jean & Rolande | |
| LIGEON | 1740 | 1740 | VENTHON | 21369 | GUYOT Jean & Rolande | |
| LOGNIER | 1675 | 1739 | SAINT THIBAUD DE COUZ | 21250 | CASTELLAZZI Evelyne | |
| LOIGNAN | 1799 | 1859 | SAINT ANDRE | 21361 | PERRIN Marie Christine | |
| LOMBARD | 1954 | 1974 | ALBERTVILLE | 21369 | GUYOT Jean & Rolande | |
| LOMBARD | 1953 | 1974 | CLERY | 21369 | GUYOT Jean & Rolande | |
| LOMBARD | 1923 | 1923 | MARTHOD | 21369 | GUYOT Jean & Rolande | |
| LOMBARD | 1694 | 1746 | UGINE | 20801 | BISILLIAT-DONNET Paul & Gisèle | |
| LOMEL | 1630 | 1680 | CHAMBERY | 21293 | GUISE Pierre | |
| LOMEL | 1680 | 1680 | CHAMBERY | 21006 | MONDON Jean | |
| LOMEL | 1630 | 1680 | SAINTE HELENE DU LAC | 21293 | GUISE Pierre | |
| LOMEL | 1719 | 1719 | SAINTE HELENE DU LAC | 21006 | MONDON Jean | |
| LONG | 1807 | 1807 | SAINT CASSIN | 21654 | MAINGUY Jean-Jacques | |
| LOSSET | 1669 | 1743 | UGINE | 20801 | BISILLIAT-DONNET Paul & Gisèle | |
| LOUISET | 1968 | 1968 | CHAMBERY | 21369 | GUYOT Jean & Rolande | |
| LOUYS | DE ROCHEFORT | 1520 | 1610 | CHAMBERY | 21293 | GUISE Pierre |
| LOVERT | 1693 | 1693 | RUFFIEUX | 20180 | BERTHOD Xavier | |
| LOYET | 1680 | 1859 | LONGEFOY SUR AIME | 21170 | MARTIN-CLARET Michèle | |
| LUCET | 1960 | 1960 | HAUTEVILLE | 21705 | RUEDIN Jeanne-Hélène | |
| LUSSAT | 1794 | 1862 | SAINT PANCRACE | 21118 | DOMPNIER Marie-Claude |