"Declared to be" father of Kenneth Upton on birth certificate.
"Maine Vital Records, 1670-1921," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:Q24J-8R9D : 16 December 2020), Raymond Rollins in entry for Kenneth Upham, Birth 30 Jan 1911; multiple sources, Maine; FHL microfilm 10
"Maine Vital Records, 1670-1921," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:Q24J-8R9D : 16 December 2020), Raymond Rollins in entry for Kenneth Upham, Birth 30 Jan 1911; multiple sources, Maine; FHL microfilm 10