"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M8DW-1CF : 12 April 2016), Mary Gay in household of Robt Y Gay, Highland county, Highland, Virginia, United States; citing family 526, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MZ4B-SHP : 12 April 2016), Mary C Moore in household of A J Moore, West Virginia, United States; citing p. 4, family 22, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 553,196.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M6TQ-3DK : 15 July 2017), Mary C Moore in entry for Allen T Moore, 1880; citing enumeration district ED 115, sheet 173C, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d), roll 1411; FHL microfilm 1,255,411.
Find A Grave, database and images (https://www.findagrave.com : accessed 16 February 2019), memorial page for Mary Catherine Gay Moore (23 Dec 1841–25 May 1908), Find A Grave: Memorial #50690329, citing Gay Cemetery, Edray, Pocahontas County, West Virginia, USA ; Maintained by Barbara "Bobbie" Sharp (contributor 46998863) .
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