"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MN28-7D4 : accessed 13 July 2019), Harry Hinkle in household of Charles W Hinkle, Dry Fork, Randolph, West Virginia, United States; citing ED 149, sheet 6B, line 52, family 97, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1971; FHL microfilm 1,821,971.
"West Virginia Births, 1853-1930," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:VRHG-9KJ : 12 March 2018), Harry Hinkle, 28 Apr 1909; citing Macksville, Pendleton, West Virginia, United States, county courthouses, West Virginia; FHL microfilm 1,992,859.
It may be possible to confirm family relationships with Harry 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 Harry: