Freeport, MN a city in sections 2 and 3 of Oak Township, incorporated on August 19, 1892, was named by settlers who came from the city of Freeport in Illinois. Its early 1860s settlement of ten families had a general store and a Great Northern Railway station known as Oak Dale and then Oak Station. The post office began as Oak Station in 1875, with Frank Benolken, postmaster, who requested the change to Freeport in 1881; Benolken, born in 1846, came from Johnsburg, Ill., near Freeport, Ill.; worked as a salesman for St. Paul Harvester; became a farmer in the township; served as a state legislator, 1899-1901; and died in 1906.