| Name | Birth date | Birth location | Death date | Death location |
| LIND, Johan Helge | Private | | | |
| LINDA | Private | | | |
| LINDBACK, Dick | Private | | | |
| LINDBACK, Helen | Private | | | |
| LINDBACK, Robert | Private | | | |
| LINDEN, Anders Bjarne | Private | | | |
| LINDEN, Gunlog Ann-Sofie | Private | | | |
| LINDEN, Stig Bjorn Bjarne | Private | | | |
| LINDSAY, Henrietta | Aft. 1840 | | Bef. 1912 | |
| LINDSTROM, Anna Karolina | October 23, 1887 | Finby, Finland | August 16, 1965 | Denver, Denver County, Colorado |
| LINDSTROM, Henrik Axel | March 18, 1866 | O-Yttermark, Finland | February 27, 1913 | Salt Lake City, Utah, USA |
| LINDSTROM, Ida Olivia | December 12, 1891 | Finby, Finland | October 07, 1979 | Finland |
| LINDSTROM, Ida Wilhelmina | October 08, 1869 | O-Yttermark, Finland | November 20, 1958 | Stobacka o. Katnas, Finland |
| LINDSTROM, Johan | August 15, 1844 | O-Yttermark, Finland | December 28, 1927 | O-Yttermark, Finland |
| LINDSTROM, Maria Irene | March 19, 1890 | Finby, Finland | Unknown | |
| LIPSCOMB, Ann | WFT Est. 1745-1765 | | WFT Est. 1780-1849 | |
| LITTLE, ?husband of stella gilpin? | | | Unknown | |
| LIVENGOOD, Al | June 22, 1876 | Fernwood on the old Tom Parrish place | WFT Est. 1922-1968 | |
| LIVENGOOD, Clem | WFT Est. 1825-1854 | | WFT Est. 1879-1939 | |
| LIVENGOOD, Delmer | Private | | | |
| LIVENGOOD, Dennis | Private | | | |
| LIVENGOOD, Elsie | Private | | | |
| LIVENGOOD, Everett | WFT Est. 1897-1919 | | 1952 | |
| LIVENGOOD, Leighton Loyd | Private | | | |
| LIVENGOOD, Marie | Private | | | |
| LIVENGOOD, Thomas | Private | | | |
| LIVINGSTON, Jane | 1790 | Virginia | May 1895 | ? |
| LJUNGGREN, Anngelica Cristine | Private | | | |
| LJUNGGREN, Ellinor Christine | Private | | | |
| LJUNGGREN, Lars Erik | Private | | | |
| LJUNGGREN, Lars Roland | Private | | | |
| LOCKSTEAD, A. B. | Private | | | |
| LOESCH, Pamela Sue | Private | | | |
| LOFMAN, Alf Ake | Private | | | |
| LOFMAN, Annika Elisabeth | Private | | | |
| LOFMAN, Bjorn Joakim | Private | | | |
| LOFMAN, Erik Anselm | August 18, 1908 | Jaderfors, Sweden | July 02, 1961 | |
| LOFMAN, Helen Mari | Private | | | |
| LOFMAN, Jan Roger | Private | | | |
| LOFMAN, Maria Alexandra | Private | | | |
| LOFMAN, Peter Mickael | Private | | | |
| LOFMAN, Rolf Erik | Private | | | |
| LOFMAN, Ruth Gunlog | Private | | | |
| LOFMAN, Stig Henry | Private | | | |
| LONGLEY, Jonathan | WFT Est. 1751-1800 | | WFT Est. 1791-1877 | |
| LONGMIRE, Louise Carr | | | Unknown | |
| LONIS, Walter Rogers | Private | | | |
| LONNGVIST, Birger | December 24, 1923 | Katnas, Finland | August 10, 1985 | Finland |
| LONNGVIST, Kent Ake | Private | | | |
| LONNGVIST, Kim Ake Ricard | Private | | | |