Edwardsville was platted in 1853 by Henry H. Edwards, and named for him.[3] A post office was established at Edwardsville in 1858, and remained in operation until it was discontinued in 1905.[4]
^Crinoids from the Edwardsville Formation (Lower Mississippian) of Southern Indiana. William I. Ausich and N. Gary Lane, Journal of Paleontology, November 1982, Volume 56, Number 6, pages 1343-1361 (abstract)