Born: 1814-03-04 Cumberland County, Pennsylvania
Flourished: 1840-03-01 Mount Pulaski, Illinois
Harper settled in Elkhart, Illinois, in 1827. He moved to Mount Pulaski in 1837. That same year, he married Mary Ann Cartmill. In 1850, he was working as a farmer with Mary and three children, and owned $2,500 in real estate.
Gravestone, Onarga Cemetery, Onarga, IL; Lawrence B. Stringer, History of Logan County, Illinois (Chicago: Pioneer, 1911), 1:120-21; Illinois Statewide Marriage Index, Sangamon County, 4 June 1837, Illinois State Archives, Springfield, IL; U.S. Census Office, Seventh Census of the United States (1850), Logan County, IL, 183.