Wilhite/Wilhoit & Allied Descendants of Johann Michael and Anna Maria (Hengsteler) Wilheit 1671-1994 Compiled by Mary F. Mickey
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:SPCC-ZR1 : accessed 17 February 2018), Clarence E Wilhoit Jr. in household of Clarence E Wilhoit, Florence, Florence, South Carolina, United States; citing enumeration district (ED) ED 14, sheet 2A, line 42, family 31, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2196; FHL microfilm 2,341,930.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:J13H-MY6 : 20 May 2014), Clarence Wilhoit, Aug 1980; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
It may be possible to confirm family relationships with Clarence by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree: