"United States Census, 1930," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XMBR-57T : accessed 28 July 2017), Ava Mcdonald in household of Ervin Mcdonald, Washington, Greene, Mississippi, United States; citing enumeration district (ED) ED 8, sheet 24A, line 50, family 500, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 1145; FHL microfilm 2,340,880.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:VYG6-F92 : accessed 28 July 2017), Eva Mcdonald in household of Edward L Mcdonald, Beat 5, Greene, Mississippi, United States; citing enumeration district (ED) 21-9, sheet 6B, line 71, family 93, 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 2022.
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