"West Virginia Marriages, 1780-1970," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FYKB-351 : 11 February 2018), Robert Beattie and Mary Elda Williams, 1927; citing Ohio, West Virginia, United States, , county clerks, West Virginia; FHL microfilm 860,878.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JYS1-ZX7 : 8 January 2021), Mary Beattie, Jun 1986; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
Mary E Williams in entry for John Beattie, "United States, Social Security Numerical Identification Files (NUMIDENT), 1936-2007" "United States, Social Security Numerical Identification Files (NUMIDENT), 1936-2007", database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:6K9P-P8H6 : 10 February 2023), Mary E Williams in entry for John Oliver Beattie, .