"United States Census, 1930," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:XMXZ-3MK: accessed 30 July 2022), Mary B Moore in household of Harold G Moore, Louisville, Jefferson, Kentucky, United States; citing enumeration district (ED) ED 72, sheet 18A, line 2, family 406, NARA microfilm publication T626 (Washington D.C.: National Archives and Records Administration, 2002), roll 755; FHL microfilm 2,340,490.
"United States Census, 1940," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:K7YX-G7Q: 9 January 2021), Mary B Moore in household of Harold Moore, Magisterial District 2, Nelson, Kentucky, United States; citing enumeration district (ED) 90-5, sheet 5B, line 70, family 105, 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 1345.