"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MXQZ-VQX : 12 April 2016), Catharine Boly in household of Joseph Boly, Big Lick, Hancock, Ohio, United States; citing family 56, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).