All Floor Crossings

On February 28, 2018, seven of the Bloc Québécois's ten MPs left the party following leader Martine Ouellet's defeat in a leadership review referendum. The departing MPs — Miche…

Leona Alleslev

2018Notable

Liberal → ConservativeMPOntario

2/5

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…

Maxime Bernier

2018Notable

Conservative → People's PartyMPQuebec

0/5

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 -…

MacLaren, Ontario PC MPP for Carleton-Mississippi Mills, was expelled from the PC caucus after making offensive comments about francophones. He briefly associated with the Trill…

Sandra Jansen

2016Notable

Prog. Conservative → NDPMLAAlberta

3/5

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…

Adams, Conservative MP for Mississauga-Brampton South, crossed to the Liberals in February 2015 after being denied a Conservative nomination. She was personally welcomed by Just…

Bellavance, BQ MP for Richmond-Arthabaska since 2004, left the Bloc to sit as an independent, expressing disillusionment with the party's direction.

On December 17, 2014, Wildrose Party leader Danielle Smith led nine of the party's seventeen MLAs across the floor of the Alberta Legislature to join the governing Progressive C…

Ian Donovan

2014

Wildrose Alliance → Progressive ConservativeMLAAlberta

1/5

Donovan, Wildrose MLA for Little Bow, crossed to the PCs in November 2014 alongside Kerry Towle.

Fortin left the BQ to co-found the Strength in Democracy (Force et Démocratie) party with Jean-François Larose, seeking a new approach to Quebec nationalism.

Jean-François Larose

2014

New Democratic Party → Strength in DemocracyMPQuebec

0/5

Larose, NDP MP for Repentigny, left the NDP to co-found the Strength in Democracy (Force et Démocratie) party with Jean-François Fortin.

Kerry Towle

2014

Wildrose Alliance → Progressive ConservativeMLAAlberta

1/5

Towle, Wildrose MLA for Innisfail-Sylvan Lake, crossed to the PCs in November 2014, weeks before Danielle Smith's mass crossing. She was unhappy with Smith's leadership.

Lane, PC MHA for Mount Pearl South, crossed to the Liberals in 2014 ahead of the anticipated Liberal wave.

Sana Hassainia

2014Notable

NDP → IndependentMPQuebec

0/5

Hassainia disagreed with NDP leader Thomas Mulcair's position on the Israeli-Palestinian conflict. She left the party over it.

Brent Rathgeber

2013Notable

Conservative → IndependentMPAlberta

0/5

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 …

Mitchelmore and Kirby left the NL NDP caucus in protest against the leadership of Lorraine Michael. They briefly sat as "Independent NDP" before joining the Liberals.

Patry, NDP MP for Jonquière-Alma, crossed to the Bloc Québécois in February 2013, saying he could better serve his constituents and Quebec national interests with the BQ.

Dean Del Mastro

2013Notable

Conservative → IndependentMPOntario

0/5

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…

Perry, PEI PC MLA for Tignish-Palmer Road, left the PCs and joined the governing PEI Liberals.

Lamrock, New Brunswick Liberal MLA for Fredericton-Fort Nashwaak and former Education Minister, left the Liberals to join the NB NDP, citing a shift in his political views towar…

Maria Mourani

2013Notable

Bloc Québécois → IndependentMPQuebec

0/5

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…

Bruce Hyer

2012Notable

New Democratic Party → Green PartyMPOntario

1/5

Hyer, NDP MP for Thunder Bay-Superior North, left the NDP in 2012 over the party's whipped vote on the long-gun registry. He sat as an independent before joining the Greens in 2…

Rebello, PQ MNA for La Prairie, left the PQ to join the Coalition Avenir Québec, citing the CAQ's pragmatic approach as more appealing than the PQ's sovereignty focus.

John van Dongen

2012

BC Liberal → BC ConservativeMLABritish Columbia

0/5

Van Dongen, a long-serving BC Liberal MLA, crossed to the BC Conservatives in 2012, citing dissatisfaction with Premier Christy Clark's leadership.