[S172] Illinois Secretary of State, "Illinois Statewide Marriage Index, 1763-1900," database, Illinois State Archives (http://www.cyberdriveillinois.com/departments/archives/archives.html : accessed 9 November 2014), entry for Erastus D Gaines-Eliza J. Matteson, Whiteside County, 12 December 1877; citing license no. 4597.