↑ "United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MX3S-BF6 : 4 April 2020), Mary Freeborn in household of James G Freeborn, Salem, Jefferson, Ohio, United States; citing family 1903, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
↑ "United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MFP2-F5P : 14 July 2016), Mary Coe in the household of Henry Coe, Township 18 Range 6, Chase, Kansas, United States; citing enumeration district ED 149, sheet 288D.
↑ "United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MMT7-R2N : accessed 19 September 2020), Mary R Coe in household of Henry P Coe, Falls Township (south part) Cottonwood Falls city, Chase, Kansas, United States; citing enumeration district (ED) 28, sheet 6A, family 132, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,473.
↑ Find a Grave, database and images (https://www.findagrave.com: accessed 19 September 2020), memorial page for Mary Ramsey Freeborn Coe (1849–1903), Prairie Grove Cemetery, Cottonwood Falls, Chase County, Kansas, USA ; Maintained by Kristy Norman (contributor 46849437) .