Charles was born in 1847 in Plymouth, the son of Solomon Sylvester Churchill Sr. and Ruth Nelson Cobb.
Sources
"United States Census, 1850," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:MD97-PH1 : 22 December 2020), Charles A Churchill in household of Solomon S Churchill, Plymouth, Plymouth, Massachusetts, United States; citing family , NARA microfilm publication (Washington, D.C.: National Archives and Records Administration, n.d.).
"Massachusetts Marriages, 1841-1915," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:NWBQ-CB7 : 10 March 2021), Chas. A. Churchell and Luthera E. Packard, 19 Jan 1868; citing North Bridgewater, Plymouth, Massachusetts, United States, State Archives, Boston; FHL microfilm 1,433,026.