"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MX3K-P5T : 12 April 2016), Flavius J Bonar in household of Mathew Bonar, Tate, Clermont, Ohio, United States; citing family 1066, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
Find A Grave, database and images (https://www.findagrave.com : accessed 15 October 2018), memorial page for Flavius J Bonar (unknown–21 Apr 1881), Find A Grave: Memorial #22319083, citing Wells Family Cemetery, Bethel, Clermont County, Ohio, USA ; Maintained by Find A Grave (contributor 8) .
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