"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M326-C9P : accessed 11 September 2022), Mary Pierson in household of Millard Pierson, Election District 5, Queenstown Queenstown town, Queen Anne's, Maryland, United States; citing enumeration district (ED) 66, sheet 5A, family 96, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,240,626.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M2N9-7G4 : accessed 11 September 2022), Mamie Pierson in household of Millard F Pierson, Queenstown, Queen Anne's, Maryland, United States; citing enumeration district (ED) ED 70, sheet 8A, family 147, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 567; FHL microfilm 1,374,580.
"United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M6QB-SKC : 14 December 2015), Marie C. Horney in household of Harry W Horney, Queenstown, Queen Anne's, Maryland, United States; citing sheet 1A, NARA microfilm publication T625 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,820,675.
"United States Census, 1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:K7F2-KDB : accessed 1 March 2017), Mervin H Horney in household of Harry W Homey, Election District 5, Queen Anne's, Maryland, United States; citing enumeration district (ED) 18-12, sheet 6A, line 40, family 280, 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 1559.
(https://www.findagrave.com : accessed 06 May 2018), memorial page for Mamie Pierson Horney (8 Feb 1897–28 Jun 1989), Find A Grave Memorial no. 61040683, citing Stevensville Cemetery, Stevensville, Queen Anne's County, Maryland, USA ; Maintained by Wanda White (contributor 47184571) .[1]
Is Mamie your ancestor? Please don't go away! Login to collaborate or comment, or contact
the profile manager, or ask our community of genealogists a question.