The Coerver Family of Prairie du Rocher Illinois
Killian Coerver, born on April 10, 1861, in Monroe County, Illinois, was a prominent miller and community leader. After studying at local schools, he began his career in public service and became county treasurer from 1886 to 1890. He joined the Koenigsmark Milling Company in 1890 and later helped establish the Schoening-Koenigsmark Milling Company in Prairie du Rocher, where he served as secretary-treasurer. Married in 1885 to Mary Schuell, they had three children. Coerver was active in the Knights of Columbus and the Fort Chartres Association.