"Texas Birth Certificates, 1903-1935," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:X2JD-ZZK : 4 April 2020), Wilson Allcock, 10 Mar 1919; citing Grand Prairie, Dallas, Texas, United States, certificate 10987, Texas Department of Health, Austin; FHL microfilm 4,492,124.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MC9K-J3P : accessed 21 June 2020), Bert Allcock in household of Eldred Allcock, Justice Precinct 8, Tarrant, Texas, United States; citing ED 171, sheet 7B, line 53, family 125, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, 1992), roll 1850; FHL microfilm 1,821,850.
"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:HKD7-KN2 : accessed 21 June 2020), Wilson B Allcock in household of E E Allcock, Precinct 4, Tarrant, Texas, United States; citing enumeration district (ED) ED 118, sheet 10A, line 40, family 207, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 2398; FHL microfilm 2,342,132.
"Find A Grave Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QVLB-BBCW : 13 December 2015), Wilson Burt Allcock, 2001; Burial, Fort Worth, Tarrant, Texas, United States of America, Mount Olivet Cemetery; citing record ID 103136297, Find a Grave, http://www.findagrave.com.