↑ "United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MKJH-652 : accessed 3 January 2019), Willie Holland in household of Earl Holland, Extra, Ashley, Arkansas, United States; citing enumeration district (ED) ED 8, sheet 12A, family 150, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 43; FHL microfilm 1,374,056.
"United States, GenealogyBank Obituaries, 1980-2014," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:QKLN-4RHQ : accessed 9 January 2019), William Earl Holland in entry for Thomas James Holland, Arkansas, United States, 15 Jan 2014; from "Recent Newspaper Obituaries (1977 - Today)," database, GenealogyBank.com (http://www.genealogybank.com : 2014); citing Benton County Daily Record, born-digital text.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JYG9-J4X : 20 May 2014), Bob Holland, May 1965; 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 William 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 William: