"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MXWB-FS4 : 17 October 2014), Willis Lewis in household of Joseph Lewis, Kentucky, United States; citing p. 13, family 98, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 545,992.
"United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M9H5-RFZ : 20 January 2015), Joseph ? Lewis, Magisterial District 2, East, North Owenton Precincts, Owen, Kentucky, United States; citing sheet 4A, family 66, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, n.d.); FHL microfilm 1,240,547.
"Kentucky, County Marriages, 1797-1954," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:FWTJ-28X : accessed 2 September 2016), J.F. Lewis and Jane Elizabeth Sparks, 17 Oct 1878; citing , Owen, Kentucky, United States, Madison County Courthouse, Richmond; FHL microfilm 1,943,448.