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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.
Brodie, BC Conservative MLA, left the party caucus in 2025 amid internal disputes, sitting as an independent.
Armstrong, BC Conservative MLA, left the party caucus in 2025 amid disagreements with party leadership.
Samson, CAQ MNA for Iberville, was expelled from the CAQ caucus in 2021 after it was revealed she had donated to the Conservative Party of Quebec. She then joined the Conservati…
Turner was expelled from the Conservative caucus in October 2006 for publicly criticizing the party. After sitting as an independent, he joined the Liberals in February 2007.