The Upper Peninsula League operated for six years -1888-1891,1895 and 1924.

Upper Peninsula (1888-91, 1895)
Hancock,  Mi  1889-1990
Republic,  Mi  1889
Champion, MI 1888
Calumet, MI: 1889-91
Houghton, MI: 1891, 1895
Ishpeming, MI: 1888, 1890-1891, 1895
Marinette, MI: 1890
Marquette, Wi: 1888-1891
Negaunee, MI: 1888-1890, 1895

1924

Escanaba, Gladstone, Houghton, Iron Mountain, Ishpeming, Manistique, Marquette, Munising (all teams in Michigan)

Community content is available under CC-BY-SA unless otherwise noted.