"United States Census, 1830," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XH5X-NDT : 9 September 2017), Cornelius Sparks, Niles, Berrien, Michigan Territory, United States; citing 185, NARA microfilm publication M19, (Washington D.C.: National Archives and Records Administration, n.d.), roll 69; FHL microfilm 363,348.
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MF8Z-7QH : 27 February 2020), Cornelius Sparks, Berrien county, Berrien, Michigan, United States; citing family 614, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
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