Thunder Bay was an electoral district in the northwestern part of the province of Ontario, Canada, that was represented in the House of Commons of Canada from 1968 to 1979, and the Legislative Assembly of Ontario until 1975.

Quick Facts Ontario electoral district, Defunct federal electoral district ...

Thunder Bay

Ontario electoral district
Defunct federal electoral district
Legislature	House of Commons
District created	1966
District abolished	1976
First contested	1968
Last contested	1974

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This riding was created in 1966 from parts of Fort William, Kenora—Rainy River and Port Arthur ridings.

It consisted of the eastern part of the territorial district of Rainy River; (b) the territorial district of Thunder Bay excluding the Cities of Fort William and Port Arthur and the Townships of Aldina, Blake, Crooks, Devon, Fraleigh, Gillies, Hartington, Lismore, Lybster, Marks, Neebing, O'Connor, Paipoonge, Pardee, Pearson, Scoble, Strange, Adrian, Blackwell, Conmee, Forbes, Fowler, Goldie, Gorham, Horne, Jacques, Laurie, MacGregor, McIntyre, McTavish, Oliver, Sackville, Sibley and Ware; the southeastern part of the territorial district of Kenora; part of the Patricia Portion of the territorial district of Kenora; and the western part of the territorial district of Algoma.

The electoral district was abolished in 1976 when it was redistributed between Cochrane North, Kenora—Rainy River, Thunder Bay—Atikokan and Thunder Bay—Nipigon ridings.

The district was abolished in 1975 and became Lake Nipigon.

• List of Canadian federal electoral districts
• Historical federal electoral districts of Canada

• Website of the Parliament of Canada