Margaret Elizabeth Gates was born 4 August 1862 in Port Byron, Rock Island County, Illinois, United States to George Porterfield Gates (1835-1918) and Elizabeth H Emery (1841-1924) and died 5 December 1952 Washington, D.C., United States of unspecified causes. She married David Willock Wallace (1860-1903) 13 June 1883 in Jackson County, Missouri, United States.
|Offspring of David Willock Wallace and Margaret Elizabeth Gates (1862-1952)|
|Elizabeth Virginia Wallace (1885-1982)||13 February 1885 Independence, Jackson County, Missouri, United States||18 October 1982 Independence, Jackson County, Missouri, United States||Harry S. Truman (1884-1972)|
|Frank Gates Wallace (1887-1960)|
|George Porterfield Wallace (1892-1963)|
|David Frederick Wallace (1900-1957)|