"United States Census, 1940," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:KWBQ-YHP : 9 January 2021), Mary Conway in household of Thomas Conway, Chicago, Cook, Illinois, United States; citing enumeration district (ED) 103-1133, sheet 4A, line 5, family 78, 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 955.
Find a Grave, database and images (https://www.findagrave.com/memorial/240215457/mary-celina-arkins: accessed 08 March 2023), memorial page for Mary Celina Conway Arkins (21 Oct 1921–26 Apr 1985), Find A Grave: Memorial #240215457, citing Holy Sepulchre Cemetery, Alsip, Cook County, Illinois, USA; Cremated; Maintained by Aaron John Turner (contributor 47630591).
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