"United States Social Security Death Index," database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:JY65-5NT : 4 December 2020), Juliana C Haney, 20 Feb 2004; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
https://www.familysearch.org/tree/person/details/KZZ5-R9P