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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.
218 crossings
Lori Idlout
2026NotableNew Democratic Party → LiberalMPNunavut
3/5
Idlout, NDP MP for Nunavut, crossed to the Liberals in early 2026, joining the governing party to better advocate for Inuit and northern issues from within government.
Joined Government
Marilyn Gladu
2026NotableConservative → LiberalMPOntario
3/5
Gladu was the fourth Conservative MP to cross the floor to the Liberals during the 45th Parliament. A veteran MP first elected in 2015, she joined Prime Minister Mark Carney's g…
Joined Government
Matt Jeneroux
2026NotableConservative → LiberalMPAlberta
4/5
Jeneroux was the third Conservative to join the Liberals. He represents Edmonton-Riverbend - deep in Alberta Conservative country. An Alberta Conservative joining the Liberals i…
Joined Government
Maïté Blanchette Vézina
2026NotableCoalition Avenir Québec → Conservative Party of QuebecMNAQuebec
2/5
Blanchette Vézina, CAQ MNA and former cabinet minister, crossed to the Conservative Party of Quebec in 2026.
Changed Beliefs
Chris d'Entremont
2025NotableConservative → LiberalMPNova Scotia
4/5
D'Entremont was a Conservative MP from Nova Scotia who crossed the floor to join Prime Minister Mark Carney's Liberal government. He was the first of three Conservative MPs to m…
Joined Government
Dallas Brodie
2025BC Conservative → IndependentMLABritish Columbia
0/5
Brodie, BC Conservative MLA, left the party caucus in 2025 amid internal disputes, sitting as an independent.
Kicked Out
MM
Michael Ma
2025NotableConservative → LiberalMPOntario
5/5
Ma was the second Conservative MP to cross to the Liberals. His crossing was especially significant because it brought the Liberals within just one seat of a majority government…
Joined Government
TA
Tara Armstrong
2025BC Conservative → IndependentMLABritish Columbia
0/5
Armstrong, BC Conservative MLA, left the party caucus in 2025 amid disagreements with party leadership.
Kicked Out
7B
7 BC United MLAs
2024BC United → BC ConservativeMLABritish Columbia
2/5
As BC United collapsed, seven more MLAs followed Banman to the BC Conservatives throughout 2024.
Party Collapsing
Brendan Maguire
2024Liberal → Prog. ConservativeMLANova Scotia
4/5
Maguire left the Nova Scotia Liberals and joined the governing Progressive Conservatives.
Wanted PromotionGot Cabinet
ES
Elenore Sturko
2024BC United → BC ConservativeMLABritish Columbia
4/5
Sturko, BC United MLA for Surrey-Cloverdale, crossed to the BC Conservatives as BC United suspended its campaign in 2024.
Party Collapsing
FT
Fred Tilley
2024Liberal → Progressive ConservativeMLANova Scotia
4/5
Tilley, Liberal MLA for Northside-Westmount, crossed to the PCs in 2024, joining the governing party.
Joined Government
IP
Ian Paton
2024BC United → BC ConservativeMLABritish Columbia
4/5
Paton, BC United MLA for Delta South, crossed to the BC Conservatives in 2024 as BC United suspended its campaign.
Party Collapsing
Lela Evans
2024NotableNDP → Prog. ConservativeMHANewfoundland
1/5
Evans had left the PCs for the NDP in 2022. Just two years later, she went back to the PCs. She represents one of Canada's most remote ridings - Torngat Mountains in Labrador, h…
Changed Her Mind
LD
Lorne Doerkson
2024BC United → BC ConservativeMLABritish Columbia
4/5
Doerkson, BC United MLA for Cariboo-Chilcotin, individually crossed to the BC Conservatives as BC United collapsed in 2024.
Party Collapsing
Peter Milobar
2024BC United → BC ConservativeMLABritish Columbia
4/5
Milobar, BC United MLA for Kamloops-Centre, crossed to the BC Conservatives as BC United collapsed in 2024.
Party Collapsing
Teresa Wat
2024BC United → BC ConservativeMLABritish Columbia
4/5
Wat, BC United MLA for Richmond North Centre, crossed to the BC Conservatives as BC United collapsed in 2024.
Party Collapsing
TH
Trevor Halford
2024BC United → BC ConservativeMLABritish Columbia
4/5
Halford, BC United MLA for Surrey-White Rock, crossed to the BC Conservatives as BC United suspended its campaign.
Party Collapsing
Bruce Banman
2023NotableBC United → BC ConservativeMLABritish Columbia
2/5
Banman was the first of many MLAs to leave BC United (formerly BC Liberals) for the surging BC Conservatives. BC United was losing support rapidly as the right consolidated arou…
Party Collapsing
Lela Evans (1st crossing)
2022NotableProgressive Conservative → NDPMLANewfoundland and Labrador
1/5
Lela Evans, the Progressive Conservative MHA for Torngat Mountains — a vast northern Labrador riding representing predominantly Inuit and Innu communities — resigned from the PC…
Changed Beliefs
CS
Claire Samson
2021NotableCoalition Avenir Québec → Conservative Party of QuebecMNAQuebec
0/5
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…
Kicked Out
Jenica Atwin
2021NotableGreen Party → LiberalMPNew Brunswick
2/5
Atwin left the Green Party during a period of internal chaos, partly over how leader Annamie Paul handled the Israel-Palestine debate. The Green Party was tearing itself apart.
Party in Crisis
Amanda Simard
2020NotableProg. Conservative → LiberalMPPOntario
1/5
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 …
Stood on Principle
CF
Catherine Fournier
2019NotableParti Québécois → IndependentMNAQuebec
2/5
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.
Stood on Principle