↑ "United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8S4-K7Q : 20 February 2021), Anna Sparks in household of Margaret Sparks, Madison, Muskingum, Ohio, United States; citing enumeration district ED 163, sheet 178C, NARA microfilm publication T9 (Washington, D.C.: National Archives and Records Administration, n.d.), FHL microfilm 1,255,054.
↑ "United States Census, 1940," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:KW2B-9PW : 9 January 2021), Anna M Cowden in household of W Barten Cowden, Dresden, Jefferson Township, Muskingum, Ohio, United States; citing enumeration district (ED) 60-17, sheet 5A, line 5, family 96, 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 3122.
↑ "Ohio Deaths, 1908-1953," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XZ5J-FBS : 8 March 2021), Anna Marie Cowden, 22 Dec 1942; citing Zanesville, Muskingum, Ohio, reference fn 75568; FHL microfilm 2,024,041.