Born: 1814 Kentucky
Died: 1903-06-12 Menard County, Illinois
Flourished: Sangamon County, Illinois
Duncan lived in Sangamon County as early as 1836. He married Cynthia A. Clopton in Sangamon County in 1838, and they raised their family in Menard County, where Anderson was a farmer.
Illinois Statewide Marriage Index, Sangamon County, 2 August 1838, Illinois State Archives, Springfield, IL; U.S. Census Office, Eighth Census of the United States (1860), Menard County, IL, 15; Illinois Statewide Death Index, Menard County, 12 June 1903, Illinois State Archives, Springfield, IL; Petition of Thomas J. Nance and others to the Sangamon County Commissioners' Court.