| Name | Birth date | Birth location | Marriage date | Death date | Death location |
| Benjamin O. Leonard | | | | | |
| Connie Leonard | | | October 24, 1971 | | |
| John Lee Leonard | | | | November 10, 1965 | Phoenix, Arizona |
| Leopold | | | | 907 | |
| Franz Andrew Leptich | December 05, 1924 | | | | |
| Lewis Andrew Leptich | | | September 02, 1922 | | |
| Virginia Vesta Leptich | June 09, 1923 | | | | |
| Minnie Lerois | November 18, 1890 | | December 14, 1912 | | |
| Leslie | | | | | |
| Mary Leslie | July 18, 1876 | Exline, Appanoose Co, IA | | February 20, 1926 | Centerville, Appanoose Co, IA |
| Orial M. Leslie | January 03, 1881 | Bourbon, Indiana | April 07, 1909 | 1925 | Plymouth, Indiana |
| William M. Leslie | May 17, 1914 | | | | |
| Jacqueline Anne Lester | March 19, 1929 | Butler, Missouri | February 26, 1954 | | |
| Lori Jo Letellier | | | May 28, 1994 | | |
| Letitia | | | | | |
| John Letscher | | | | | |
| Leudefindis | Abt 594 | France | | | |
| Leutfrid | 550 | Alemmania | | Unknown | |
| Leutfrid | 620 | Alemmania | | Unknown | |
| Leutgarde | | | | | |
| Martha Jane Leuty | February 26, 1847 | Ross, Ohio | April 27, 1865 | | |
| William Leuty | | | | | |
| Bertha Levine | | | January 28, 1915 | | |
| Beatrice Lewis | Unknown | | | Unknown | |
| Carl Ray Lewis | | | 1958 | | |
| Debra Kay Lewis | July 22, 1959 | | | | |
| Elinor Lewis | Unknown | | | Unknown | |
| Ethel Jane Lewis | March 23, 1938 | | December 28, 1954 | | |
| Loren W. Lewis | | | April 01, 1934 | | |
| Martha Lewis | | | | | San Dimas, California buried in Nebraska |
| Mary Hammon Lewis | | | | | |
| Mister Lewis | Unknown | | | Unknown | |
| Robert Quincy Lewis | Unknown | | | Unknown | |
| Steven Carl Lewis | November 24, 1962 | | 1982 | | |
| Wilma Lee Lewis | Unknown | | | Unknown | |
| Stella Lexvold | 1902 | | | | |
| Elizabeth Leycester | Abt 1330 | Nether, Tabley, England | 1350 | Unknown | |
| John Leycester | Unknown | | | Unknown | |
| Maude Leycester | Unknown | | 1440 | Unknown | |
| Martha Hannah Lezenia | 1755 | Germany | Abt 1780 | November 13, 1844 | Washington County, Indiana |
| Clyde O. Libby | | | August 27, 1921 | | |
| Glenn Libby | | | | | |
| Jerry Lynn Libby | | | | | |
| Mercedes Libby | | | | | |
| Berle R. Liberty | August 02, 1905 | Bakers Mill, New York | January 26, 1931 | April 03, 1991 | Largo, Florida |
| Robert A. Liberty | May 20, 1936 | Philadelphia, Pennsylvania | October 11, 1958 | | |
| Simeon Liberty | Abt 1874 | Winchester Springs, Ontario | March 18, 1897 | July 18, 1941 | Albany, New York |
| Christine Lynn Lichtenberger | November 18, 1977 | | | | |
| Forrest Lynn Lichtenberger | | Decatur, IL | February 20, 1970 | 1996 | Decatur, IL |
| Leigh Ann Lichtenberger | October 11, 1976 | | | | |