Williamson, William
Flourished:
Williamson was an early settler of New Salem, Illinois, arriving there by 1830. In 1835, he purchased forty-one acres of public land in an area that would be subsumed into Menard County, Illinois. He lived in Sangamon County, Illinois and surrounding areas until at least 1855.
U.S. Census Office, Fifth Census of the United States (1830), Sangamon County, IL, 198; Illinois Public Domain Land Tract Sales, Menard County, 68:225, Illinois State Archives, Springfield, IL; U.S. Census Office, Sixth Census of the United States (1840), Menard County, IL, 208; Petition of George Day and Others to the Sangamon County Court.