The first Euro-American settlers, primarily of Scotch-Irish descent, came to White County, Illinois between 1807 and 1809. The first settlements were near the Little Wabash River and Big Prairie, one of the numerous prairies in the county. Many came through the land office at Shawneetown, which was a port for flatboats which traveled the Ohio River. The second half of the 19th century saw the establishment of the towns of Norris City, Springerton including Mill Shoals. Once the home of a thriving barrel-making industry which depleted the nearby virgin forests Mill Shoals had primarily been an agriculture village until 1939 when oil was discovered in the area. In the early 1970s the oil industry declined steeply and thus returned Mill Shoals to its agricultural roots.