[S1970] Illinois Secretary of State, "Illinois Statewide Marriage Index, 1763-1900," database, Illinois State Archives (http://www.cyberdriveillinois.com/departments/archives/archives.html : accessed 6 January 2012), entry for Jacob A. Walker-Martha Finley, Macoupin County (1888); citing Macoupin County, Marriage Book 2: 20, license no. 2885. .