"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MG7K-GCQ : accessed 2 November 2022), Catherine Flyn in household of Michael P Flyn, McKeesport Ward 2, Allegheny, Pennsylvania, United States; citing enumeration district (ED) ED 120, sheet 16A, family 342, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1295; FHL microfilm 1,375,308.
"United States Census, 1940," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:KQXF-Q5J : 7 January 2021), Catherine McCormely in household of Joseph McCormely, Clairton, Allegheny, Pennsylvania, United States; citing enumeration district (ED) 2-84, sheet 5A, line 21, family 82, 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 3400.
Find a Grave, database and images (https://www.findagrave.com/memorial/178895091/catherine-mccormley: accessed 02 November 2022), memorial page for Catherine “Kitty” Flynn McCormley (9 Apr 1903–14 Apr 1985), Find A Grave: Memorial #178895091, citing Saint Clare of Assisi Cemetery, Clairton, Allegheny County, Pennsylvania, USA; Maintained by Lincoln Lowery (contributor 47305178) .
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