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https://www.findagrave.com/memorial/41050954
"Illinois, County Marriages, 1810-1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:KFKM-DMC : 19 February 2021), Lewis Harvey and Margaret Buffington, 06 Jan 1842; citing Jefferson, Illinois, United States, county offices, Illinois; FHL microfilm 1,004,738.
"United States Census, 1850," database with images, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:M85Y-N4B : 20 December 2020), Lewis Harvey, Jefferson, Illinois, United States; citing family , NARA microfilm publication (Washington, D.C.: National Archiv...
"United States Census, 1860", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MX45-Z39 : 18 February 2021), Louis Harvey, 1860.
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