- Lew
- Lewenthal
- Lewin
- Lewis
- Lewkowicz
- Leyland
- Leyland or Lever
- Li
- Liberman
- Flora (b. 1881, d. about 1972)
- Leo (b. 1905, d. 1990)
- Morris (b. 1872, d. 1921)
- Lieber
- Lieberman
- Adolph (b. 1862, d. 1935)
- Celia (b. 1904, d. 1988)
- Eddie Seymour (b. 1913, d. 2006)
- Esther (b. 1900, d. 1991)
- Flora (b. 1881, d. about 1972)
- Flora Jean
- George B. (b. 1926, d. 1995)
- Grace (b. 1912, d. 1985)
- Ita Brandla
- Maizie Lee (b. 1915, d. 2003)
- Martha (b. 1893, d. 1977)
- Mary S. (b. about 1897, d. 1967)
- Max Harry (b. 1886, d. 1967)
- Maxim (b. 1897, d. 1993)
- Minnie (b. 1882, d. 1944)
- Morris (b. 1872, d. 1921)
- Natalia (b. 1861, d. 1926)
- Norma Eve (b. 1928, d. 2002)
- Phyllis (b. 1922, d. 2022)
- Romek (b. 1885, d. 1969)
- Rubin (b. 1885, d. 1969)
- Samuel (b. 1880, d. 1932)
- Sigmund (b. 1887, d. 1960)
- Szlama (b. 1883, d. about 1942)
- Tauba (b. 1844, d. 1915)
- Thelma (b. 1919, d. 1986)
- Zamos (b. 1887, d. 1960)
- Zelda (b. 1876, d. 1939)
- Liebert
- Liechtenstein
- Light
- Lightfoot
- Lightstone
- Linden
- Lindenau
- Lindner
- Linenthal
- Linger
- Lininger
- Linke
- Linton
- Lionetti
- Lipkov
- Lipman
- Lipnicki
- Lipp
- Lipschitz
- Lipschutz
- Lipshitz
- Lipski
- Lisopraska
- Lisoprawska
- Lisoski
- Liss
- Litmanowicz
- Litman (b. 1864, d. 1942)
- Malka (b. about 1903, d. before 1983)
- Mania (b. about 1903, d. before 1983)
- Zeev
- Littlejohn
- Livingston
- Liwerant
- Lizman
- Lloyd
- Löbelsohn
- Morris (b. estimated 1865, d. before 1907)
- Lober
- Loew
- Lofthouse
- Logan
- Loho
- Lolak
- Lomas
- London
- Long
- Longman
- Carmen Margaret (b. 1903, d. 1974)
- Dean (b. 1869, d. before 1916)
- Dennis (b. about 1734, d. 1783)
- Edna (b. about 1912)
- Edward (b. 1760, d. 1821)
- Elizabeth (b. 1811, d. 1873)
- Hammond (d. 1733)
- Harriet E. (b. 1877, d. 1945)
- Helen Rose (b. 1909, d. 1990)
- John (d. 1795)
- John (b. 1671, d. 1746)
- John (b. about 1698)
- Mary Jane (b. 1849, d. 1931)
- Mildred Rose (b. about 1911, d. 1986)
- Nellie V. (b. 1890, d. 1931)
- Richard (b. 1874, d. 1929)
- Rose Marie (b. 1878, d. 1916)
- Samuel (d. 1798)
- Samuel (b. about 1816, d. 1894)
- Sarah Mariah (b. 1871, d. 1916)
- Sylvia M. (b. 1886, d. 1920)
- William (b. about 1729, d. 1803)
- William Leroy, Sr. (b. 1845, d. 1929)
- William LeRoy, Jr. (b. 1880, d. 1956)
- Lont
- Loomis
- Lorenzen
- Lorje
- Losquadro
- Loughry
- Louis
- Louis VII
- Louis VIII
- Louwes
- Lovell
- Lovett
- Lovitt
- Annie (b. about 1891, d. 1960)
- Low
- Lowe
- Lowell
- Lowenson
- Lowenstein
- Lubansky
- Lubelsky
- Lubinsky
- Sarah (b. estimated 1857)
- Lubyatovsky
- Lucas
- Lueckfeld
- Luising
- Lukas
- Lundt
- Luria
- Luskin
- Lutz
- Anna Regina (b. 1745, d. 1796)
- Charles (b. 1833, d. 1906)
- David (b. 1831, d. 1895)
- Georg Adam (b. 1661, d. 1706)
- Johan Georg, Sr. (b. 1722, d. about 1766)
- Johan George (b. 1744, d. 1801)
- Johannes (b. 1687, d. 1745)
- Mariah (b. 1815, d. 1904)
- Martin (b. about 1617, d. 1682)
- Mary Elizabeth (b. 1770)
- Samuel (b. 1783, d. 1859)
- Lygo
- Lygon
- Mabry
- Machado
- MacNair
- MacNeale
- MacNeil
- MacNeill
- MacNiell
- Maddalena
- Madden
- Maddox
- Madison
- Madsen
- Maestripieri
- Magallanes
- Maher
- Majerowicz
- Major
- Maki
- Makovec
- Male
- Malek
- Malin
- Malinsky
- Mallory
- Malyon
- Mangin
- Mangler
- Mangun
- Mankoff
- Mankouski
- Mann
- Manners
- Manning
- Mantooth
- Manuel
- Manzi
- Maoua
- Marble
- Hannah (b. 1684, d. about 1711)