The Mid South East Football League formed in 1936 with founding clubs being Glencoe, Kalangadoo, Millicent Centrals (now known as Mount Burr), Millicent Rovers and Tantanoola. Millicent Rovers changed their name to Millicent in 1946, then in 1947 moved to the Mount Gambier & District FL, which later became part of the Western Border Football League.