Upton Beall Sinclair was born 20 September 1878 in Baltimore, Maryland, United States to Upton Beale Sinclair (1853-1907) and Priscilla Augusta Harden (1854-1931) and died 25 November 1968 Bound Brook, Somerset County, New Jersey, United States of unspecified causes. He married Meta Fuller (1881-1968) 18 October 1900 in Manhattan, New York County, New York, United States. He married Mary Craig Kimbrough (1882-1961) 21 April 1913 in Fredericksburg, Virginia, United States. He married Mary Elizabeth Hard (1882-1967) 14 October 1961 in Los Angeles, Los Angeles County, California, United States.
|Offspring of Upton Beall Sinclair and Meta Fuller (1881-1968)|
|David Sinclair (1901-1987)|