[2] Gustave Koerner, a German immigrant and prominent Illinois politician, lived in the house from its construction to his death in 1896.
During the Civil War, Koerner served as United States Minister to Spain and thereafter mounted a failed campaign for Governor of Illinois.
[3] The house was added to the National Register of Historic Places on September 17, 2004.
The Koerner house is being restored to its original appearance by the Historical Society of St. Clair County, Illinois.
"Historic Structure Report: Gustave Koerner House Belleville, St. Clair County, Illinois" (pdf).