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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.
33 crossings
James Armstrong Richardson
1978NotableLiberal → IndependentMPManitoba
0/5
Richardson, former Defence Minister, resigned from the Liberal cabinet and caucus over his opposition to official bilingualism and the government's language policies.
Stood on Principle
Lucien Lamoureux
1968NotableLiberal → IndependentMPOntario
4/5
Lucien Lamoureux, the Liberal MP for Stormont—Dundas in eastern Ontario, chose to sit as an Independent in 1968 when he was elected Speaker of the House of Commons. While Speake…
Stood on Principle
Léon Balcer
1965NotableProgressive Conservative → IndependentMPQuebec
0/5
Léon Balcer, one of the most senior Quebec Progressive Conservative MPs and a former cabinet minister under John Diefenbaker, left the PC caucus in 1965 over what he saw as the …
Stood on Principle
Édouard Lacroix
1943Liberal → Bloc populaire canadienMPQuebec
2/5
Édouard Lacroix, a wealthy Quebec lumber baron and Liberal MP, joined Maxime Raymond's Bloc populaire canadien in 1943, providing the fledgling party with crucial financial back…
Stood on Principle
AW
Alan Webster Neill
1925NotableProgressive → IndependentMPBritish Columbia
3/5
Alan Webster Neill, a Progressive MP from Comox—Alberni in British Columbia, left the Progressive Party around 1925 to sit as an Independent. Neill was a committed advocate for …
Stood on Principle
George William Andrews
1919NotableLiberal-Unionist → IndependentMPManitoba
0/5
Andrews represented the heart of Winnipeg. When the government violently crushed the Winnipeg General Strike of 1919, he couldn't stay in the party. He left to sit alone as an i…
Stood on Principle
Henri Bourassa
1900NotableLiberal → IndependentMPQuebec
4/5
Henri Bourassa, grandson of Louis-Joseph Papineau and Liberal MP for Labelle, resigned his seat in 1899 to protest Prime Minister Wilfrid Laurier's decision to send Canadian tro…
Stood on Principle
Dalton McCarthy
1893NotableConservative → IndependentMPOntario
1/5
D'Alton McCarthy, one of the most prominent Conservative MPs and a close ally of John A. Macdonald, broke with the Conservative Party over the Manitoba Schools Question — whethe…
Stood on Principle
Guillaume Amyot
1887Conservative → NationalistMPQuebec
1/5
Amyot, Conservative MP for Bellechasse, left the Conservative caucus to sit as a Nationalist, protesting the execution of Louis Riel and the government's treatment of French Can…
Stood on Principle