[1][2][3] William H. Allen (1888), Henderson Ridgely (1889), E.T.
McNeally (1890) and Fitzpatrick (1890) served as the league presidents.
[4] The 1888 Davenport Hawkeyes, 1889 Quincy Ravens and 1890 Evansville Hoosiers won league championships.
[4] [4] Decatur (6–23) transferred to Lafayette June 13.; Rockford disbanded June 26.; Crawfordsville (21–21) transferred to Terre Haute July 2; Danville disbanded Jul 5; Lafayette and Dubuque disbanded July 9.
[4] (aka Western Inter-State League) Galesburg (6–22) transferred to Indianapolis May 27; the franchise disbanded July 8.