The teams from the area around Thunder Bay would play in league's in Manitoba (and their senior playoffs) up until the 1914-15 season when the first Thunder Bay Senior Playoffs were held. * 1903-04 (see 1903-04 Manitoba Senior Playoffs * 1904-05 (see (1904-05 Manitoba Senior Playoffs * 1905-06 (see 1905-06 Manitoba Senior Playoffs * 1906-07 Kenora played in the Manitoba Professional Hockey League and held the Stanley Cup January 21 through March 25 * 1907-08 (see 1907-08 Manitoba Senior Playoffs * 1908-09 No participating teams * 1909-10 No participating teams * 1910-11 (see 1910-11 Manitoba Senior Playoffs) * 1911-12 No participating teams * 1912-13 (see 1912-13 Manitoba Senior Playoffs * 1913-14 (see 1913-14 Manitoba Senior Playoffs * 1914