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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.
Simard resigned from Doug Ford's Ontario PC caucus because the government cut funding for Franco-Ontarian services - including eliminating the French Language Commissioner. She …
Fournier, PQ MNA for Marie-Victorin, left the PQ to sit as an independent, citing the party's insufficient commitment to Quebec sovereignty and its failure to modernize.
Bellavance, BQ MP for Richmond-Arthabaska since 2004, left the Bloc to sit as an independent, expressing disillusionment with the party's direction.
Hassainia disagreed with NDP leader Thomas Mulcair's position on the Israeli-Palestinian conflict. She left the party over it.
Rathgeber was a Conservative backbencher who became increasingly frustrated with Stephen Harper's tight control over MPs. He felt MPs were being treated as rubber stamps rather …
Lekstrom, BC Liberal MLA for Peace River South and former cabinet minister, left the BC Liberal caucus to protest the party's implementation of the Harmonized Sales Tax (HST).
William David "Bill" Casey, the Conservative MP for Cumberland—Colchester—Musquodoboit Valley in Nova Scotia, was expelled from the Conservative caucus on June 6, 2007, after vo…
Joseph R. "Joe" Comuzzi, a Liberal MP from Thunder Bay—Superior North since 1988, was suspended from the Liberal caucus in March 2007 after voting in favour of the Harper Conser…
Branch, New Brunswick Liberal MLA for Nepisiguit, left the Liberal caucus to sit as an independent over policy disagreements with the government.
André Bachand, a Progressive Conservative MP for Richmond—Arthabaska since 1997, refused to join the newly merged Conservative Party of Canada on February 2, 2004, choosing inst…
Masyk, Alberta PC MLA for Edmonton-Norwood, crossed the floor to join the Alberta Alliance Party over disagreements with PC governance.
John Herron, a Progressive Conservative MP for Fundy—Royal since 1997, was one of the last three sitting PC MPs to refuse to join the new Conservative Party of Canada when it wa…
Gooshen, Saskatchewan PC MLA, refused to join the new Saskatchewan Party formed from the merger of PCs and Liberals, choosing instead to sit as an independent.
In 1993, the Liberals won a huge election partly by promising to eliminate the GST (sales tax). Once in power, they broke that promise. Nunziata voted against his own party's bu…
Drainville, Ontario NDP MPP for Victoria-Haliburton, quit the NDP caucus to sit as an independent to protest the Rae government's decision to allow casino gambling in Ontario.
Kilgour left the Conservatives over policy disagreements. He later joined the Liberals. Then in 2005, he left the Liberals too - one of only two people to cross the floor twice.
Donald Johnston, a prominent Montreal Liberal MP and former cabinet minister under Pierre Trudeau and John Turner, broke with the Liberal Party in January 1988 over his vehement…
William Yurko, a Progressive Conservative MP for Edmonton East and former Alberta provincial cabinet minister, broke with his party in January 1982 over fundamental disagreement…
Rideout, a Newfoundland Liberal MHA, crossed to the PCs over his opposition to the federal government's handling of offshore resource ownership, siding with Brian Peckford's pos…
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…
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 …
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…
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 …
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…