United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M2N4-398 : 29 October 2015), Frederick W Quinn in household of Samuel S Quinn, Coston, Worcester, Maryland, United States; citing enumeration district (ED) ED 123, sheet 15B, NARA microfilm publication T624 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,374,583.
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