1940-41 Thunder Bay Senior Playoffs

Final
Best of 5

The two ties did not count.

''Geraldton refused to show up for the fifth game in Port Arthur. The team objected to the officiating. Port Arthur was awarded the game and the series.''

Port Arthur Bearcats beat Geraldton Gold Miners.

Independent team
Fort Frances Maple Leafs (played in International Amateur League)

Regional Final
Best of 3

Port Arthur Bearcats beat Fort Frances Maple Leafs 2 wins to none.

Port Arthur Bearcats advanced to the 1940-41 Western Canada Allan Cup Playoffs