She died in March of 1998 - not sure of the exact day.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VBKR-5XY : 8 February 2020), Alberta Cates in household of Floyd J Cates, Jenks Township, Tulsa, Oklahoma, United States; citing enumeration district (ED) 72-20, sheet 6A, line 29, family 104, Sixteenth Census of the United States, 1940, NARA digital publication T627. Records of the Bureau of the Census, 1790 - 2007, RG 29. Washington, D.C.: National Archives and Records Administration, 2012, roll 3336.
"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:JL6S-M3R : 19 May 2014), Alberta Cates, 19 Mar 1998; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
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