| Hosea LAMB (1811-1894) | & | Mary Jane DEARBORNE (1817-1855) |
| Friedrich Augustus Bernhard LANGE (1832-????) | & | Christiane Concordia GROSS (1833-1877) |
| Peter P. LANGEN (1851-1932) | & | Bridget McGEADY (1862-1935) |
| Henry W. LANGHAM (????-????) | & | Sarah (????-1911) |
| Robert LAPPIN (1769-1862) | & | Elizabeth KIRK (1770-1834) |
| Lars Peter Victor LARSON (1846-1926) | & | Hilda Maria Andreasdotter JOHNSON (1856-1936) |
| Eleazor LATHROP (1792-????) | & | Ruth Anne (1814-????) |
| Patrick M. LAVERTY (1775-1853) | & | Anna Barbara DEADO (1796-1841) |
| Dr Theodore Cyrus LAVERTY (1831-1900) | & | Lydia Jenkins LAUMAN (1825-1909) |
| James Spangler LAWHEAD (1868-1938) | & | Adda Anne MILES (1870-1922) |
| Charles LAWRENCE (1868-1944) | & | Lida (1866-1915) |
| Clement LAWRENCE (1830-1920) | & | Eliza STANLEY (????-????) |
| Henry LAWRENCE (????-1810) | & | Mary PENNELL (1775-1860) |
| Owen LAWRENCE (1843-1921) | & | Sarah Ann ALMOND (1844-1914) |
| Thomas D. LAWRENCE (1800-1885) | & | Mary Ann LEWIS (1800-1861) |
| Horace Pearson LAYRE (1894-1957) | & | Catherine FAHEY (1896-1979) |
| George LECKER (1848-1928) | & | Maria "Mary" SIMBECK (1850-1925) |
| Elmer E. LEE (1863-1950) | & | Martha Adeline SMALL (1871-1947) |
| Julius Anson LEE (1840-1914) | & | Susannah Mariah KING (1842-1914) |
| Lewis LEEDOM (1851-1910) | & | Lola HANCOCK (1867-1955) |
| Jacob S LEHMAN (1810-1884) | & | Johanna FREDERICK (1811-1875) |
| Michael LEHMAN (1800-????) | & | Mary Ann (????-????) |
| Michael LEHMAN (1827-1899) | & | Susan SPREESE (1828-1899) |
| Frank LEITHNER (1883-1967) | & | Clara CASKEY (1889-1946) |
| Benjamin C. LENTZ (1829-1906) | & | Anna M. WALLER (1839-1906) |
| Charles Joseph LENTZ (1900-1969) | & | Stella (????-????) |
| Phineas LESTER (1748-????) | & | Elizabeth PELLETT (1750-1816) |
| John LEWIS (1831-1910) | & | Mary WILLIAMS (1837-????) |
| John LEWIS (1864-????) | & | Martha BENSHOFF (1871-????) |
| Matthew LEWIS (1882-1953) | & | Susan Elizabeth BLACK (1883-1966) |
| Nicholas Eugene LEWIS (1897-1965) | & | Evelyn Theresa MANN (1898-1989) |
| Francis Xavier LILLY (1851-????) | & | Isabel Amelia FLANIGAN (1855-????) |
| Andrew LITWAK (1906-1972) | & | Mary SIMCHICK (1913-1952) |
| Jacob LITWAK (1879-1947) | & | Anna LEGO (1878-1957) |
| Riley H. LIVERETT (1868-????) | & | Sarah Jane EDMONDSON (1872-????) |
| George H. LIVINGSTON (????-1868) | & | Mary KOHL (1839-1890) |
| Thomas LLOYD (1641-1694) | & | Mary JONES (1644-1683) |
| William LOCK (1822-1901) | & | Mary BOAG (1817-1914) |
| George LOHMANN (1850-????) | & | Caroline Schimpf LOHMANN (????-????) |
| Fremont L. LONG (1856-1950) | & | Emma C. CROMER (1864-1925) |
| Cyril Francis LORZ (1894-1978) | & | Rosemarie TRICK (1905-1965) |
| Frederich Lorz (1860-1954) | & | Mary Louisa ALBAUGH (1866-1933) |
| Benjamin LUCAS (1817-1876) | & | Ellen BROWER (1822-1892) |
| Claude Albinus LUCAS (1882-1927) | & | Mabel Elda POORMAN (1885-1973) |
| James LUCAS (1849-1917) | & | Annie RHUE (1861-1949) |
| John "Conrad" LUTHER (1754-1822) | & | Elizabeth BARTH (1770-1840) |
| John Jacob LUTHER (1739-1828) | & | Anna Maria (1740-1840) |
| John W. LUTHER (1800-1862) | & | Mary Ann PLATT (1814-1880) |
| Asher Morris LYON (1841-1917) | & | Josephine HAVERLY (1846-1937) |