Browse Crossings

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…

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…

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…

As BC United collapsed, seven more MLAs followed Banman to the BC Conservatives throughout 2024.

Maguire left the Nova Scotia Liberals and joined the governing Progressive Conservatives.

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…

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…

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.

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 …

Seven of the Bloc's ten MPs left the party to protest their leader Martine Ouellet. They formed a temporary group called Québec debout. It was an organized revolt - 70% of the c…

Alleslev left the governing Liberals for the opposition Conservatives, citing concerns about economic and defence policy. This is unusual - most people cross TO the governing pa…

Bernier narrowly lost the Conservative leadership race to Andrew Scheer (by less than 2%). Bitter about the loss, he left to start his own party - the People's Party of Canada -…

Jansen was a Progressive Conservative who crossed all the way to the left-wing NDP - one of the rarest types of crossing. She cited harassment she experienced during the PC lead…

In one of the biggest floor crossings in Canadian history, Wildrose Party LEADER Danielle Smith led 9 of her MLAs across the floor to join the governing Progressive Conservative…

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 …

Del Mastro had been one of PM Harper's closest allies - his parliamentary secretary. He left caucus after being charged by Elections Canada with overspending on his campaign and…

Mourani left the Bloc and publicly renounced her belief in Quebec sovereignty - a fundamental change of heart. She wanted to join the NDP, but the NDP has a policy against accep…

Wilson had resigned from the Liberal caucus over allegations about his finances. He then joined the Green Party, becoming their first-ever Member of Parliament.

This is one of the most controversial crossings in Canadian history. Emerson was elected as a Liberal, and just TWO WEEKS later, he crossed to join Stephen Harper's new Conserva…

In one of the most dramatic moments in Canadian parliamentary history, Stronach crossed the floor to join Paul Martin's Liberal cabinet. Her single vote helped save the minority…

Parrish was expelled from the Liberal caucus after publicly insulting Prime Minister Paul Martin and famously stomping on a George W. Bush doll on a comedy TV show.

When the Progressive Conservatives merged with the Canadian Alliance to form today's Conservative Party, Brison refused to go along. He joined the Liberals instead.

Fentie left the Yukon NDP and joined the Yukon Party.