[S1654] Illinois Secretary of State, "Illinois Statewide Marriage Index, 1763-1900," database, Illinois State Archives (http://www.cyberdriveillinois.com/departments/archives/archives.html : accessed 13 October 2011), entry for William Howell-Elmira Walker, Macoupin County (1873); citing Macoupin County Marriage Book 5: 90, license no. 7742.