Founded in 1917 when Superior Coal Co. Mine No. 4 was sunk in town, Wilsonville was incor porated in 1919 and is located on Route 138 in Section 3 and 10 of Dorchester Township. It grew as workers became miners there, from countries all over Europe. John Picco was the first mayor. In the 1920s the mine employed 1200 people. . . .Read more in MACOUPIN COUNTY, ILLINOIS HISTORY & FAMILIES available in our genealogy library or through this website.