↑ ["United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MNP1-LLP : accessed 27 March 2017), Columbus Barnes in household of William Barnes, Civil District 17, Sevier, Tennessee, United States; citing ED 156, sheet 2A, line 14, family 20, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1762; FHL microfilm 1,821,762.]
It may be possible to confirm family relationships with Columbus by comparing test results with other
carriers of his ancestors' Y-chromosome or mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Columbus: