All Floor Crossings

Every documented case of a Canadian MP, MPP, MLA, MNA, or MHA switching parties — federal and provincial, 1867 to present. Filter by level, province, or category.

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Province

Graham Lea

1985

NDP → BC ConservativeMLABritish Columbia

0/5

Lea, NDP MLA for Prince Rupert and former cabinet minister, left the NDP after losing the 1984 leadership race. He sat briefly with the United Party before joining the BC Conser…

Lost Leadership Race

Hazen Argue

1962Notable

NDP → LiberalMPSaskatchewan

4/5

Argue ran to be leader of the new NDP but lost to Tommy Douglas. Bitter about the loss, he crossed to the Liberals.

Lost Leadership Race