Superior County, Minnesota Genealogy

Superior: Formed from Itasca County For records see: Lake County
 * Part of Wisconsin Territory 1836-1848
 * 20 Feb 1855 -3 Mar 1955 For about 11 days this was named Superior County
 *  3 Mar 1855-Mar 1856 -  From 1855-1856 the name was changed to St Louis County
 * 1856 - On March 1, 1856 it was renamed Lake County
 * (1874 parts of Lake County went to Cook County)

Wikipedia has a list of counties in Minnesota and county seats at Wikipedia