From The Political Graveyard: Index to Politicians: Barnum, Charles W. — of Salisbury, Litchfield County, Conn. Republican. Alternate delegate to Republican National Convention from Connecticut, 1916. Burial location unknown.
He was buried in the Riverside (Bridge Street) Cemetery in Endicott (formerly Union), Broome County, New York. The cemetery is located on Bridge Street off Main, in the Village of Endicott (Old Union). A historical marker at the front of the cemetery states: Site of the first log church built in 1791 and organized as the Dutch Reformed (now Union Presbyterian) Church at the corner of Main and Liberty.