"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M646-77J : 12 April 2016), Geo W Milstead in household of Edward Milstead, Illinois, United States; citing p. 5, family 22, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 545,691.
"United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MXNW-G9K : 22 August 2017), George Milstead, 1880; citing enumeration district ED 50, sheet 665D, NARA microfilm publication T9 (Washington D.C.: National Archives and Records Administration, n.d), roll 0178; FHL microfilm 1,254,178.
"Illinois, County Marriages, 1810-1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:Q292-GRD1 : 8 November 2017), George W. Milstead and Elizabeth H. Wilhite, 21 May 1868; citing , Morgan, Illinois, United States, county offices, Illinois; FHL microfilm 1,317,641.
"Illinois Marriages, 1815-1935," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:V2L2-T3J : 10 February 2018), George W. Milstead and Ellen Milstead, 04 Jun 1876; citing , Cass, Illinois; FHL microfilm 1,313,058.