His first name is given as James in the 1850 census.
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M65W-JXM : 12 April 2016), Sarah E Smelser in household of James S Smelser, Hart county, Hart, Kentucky, United States; citing family 964, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
1855 Illinois State Census, Henderson, Knox, IL
"Kentucky Births and Christenings, 1839-1960," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:FWVZ-8X8 : 11 February 2018), John S. Smelser in entry for Jane Smelser, 15 Aug 1852; citing Hart County, Kentucky, reference item 5; FHL microfilm 216,826.
"United States Census, 1860", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MXHH-NX8 : 13 December 2017), Anna Smeltzer in entry for John Smeltzer, 1860.
3 Jul 1865 Illinois State Census, Rio, Knox, IL
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