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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.
89 crossings
Keith Martin
2004NotableCanadian Alliance → LiberalMPBritish Columbia
4/5
Martin, a physician and MP for Esquimalt-Juan de Fuca, left the Canadian Alliance (which was merging with the PCs) to join the Liberals, saying the new Conservative Party was to…
Changed Beliefs
Scott Brison
2003NotableProg. Conservative → LiberalMPNova Scotia
4/5
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.
Party MergedGot Cabinet
Dennis Fentie
2002NotableNDP → Yukon PartyMLAYukon
5/5
Fentie left the Yukon NDP and joined the Yukon Party.
Wanted PromotionGot Cabinet
IM
Inky Mark
2002Democratic Representative Caucus → Progressive ConservativeMPManitoba
3/5
Mark, MP for Dauphin-Swan River, was part of the DRC dissident group within the Canadian Alliance. He left and eventually joined the Progressive Conservatives.
Fought Their Leader
Joe Peschisolido
2002Canadian Alliance → LiberalMPBritish Columbia
3/5
Peschisolido, Alliance MP for Richmond, crossed to the Liberals citing dissatisfaction with the Alliance's direction under Stephen Harper.
Switched Sides
~A
~14 Alliance MPs form Democratic Representative Caucus
2001NotableCanadian Alliance → Democratic Representative Caucus / IndependentMP
3/5
In the summer of 2001, approximately fourteen Canadian Alliance MPs — including Deborah Grey (the party's first-ever MP), Chuck Strahl, Grant McNally, Val Meredith, Jay Hill, Ji…
Fought Their LeaderGot Cabinet
AH
André Harvey
2000Progressive Conservative → LiberalMPQuebec
3/5
Harvey crossed from the PCs to the Liberals in 2000, dissatisfied with the party's direction under Joe Clark.
Switched Sides
DP
David Price
2000Progressive Conservative → LiberalMPQuebec
4/5
Price, PC MP for Compton-Stanstead, crossed to the Liberals along with several other Quebec PCs in 2000.
Switched Sides
DS
Diane St-Jacques
2000Progressive Conservative → LiberalMPQuebec
3/5
St-Jacques joined the Liberal Party along with other Quebec PC MPs who were unhappy with the party's direction.
Switched Sides
RL
Rick Laliberte
2000New Democratic Party → LiberalMPSaskatchewan
3/5
Laliberte, NDP MP for Churchill River, crossed to the Liberals in 2000, reportedly for better access to government resources for his northern riding.
Wanted Promotion
Buckley Belanger
1998NotableSaskatchewan Liberal → Saskatchewan NDPMLASaskatchewan
5/5
Belanger, Saskatchewan Liberal MLA for Athabasca, crossed to the governing NDP, joining the party he felt better served his northern riding's interests.
Switched SidesGot Cabinet
8S
8 Saskatchewan MLAs
1997NotableLiberal / PC → Saskatchewan PartyMLASaskatchewan
3/5
Four Liberal and four PC members of the Saskatchewan legislature left their parties to create a brand new party - the Saskatchewan Party - uniting the right.
Started New Party
AJ
Arlene Julé
1997Saskatchewan Liberal → Saskatchewan PartyMLASaskatchewan
3/5
Julé, Saskatchewan Liberal MLA for Humboldt, left the Liberals to join the newly formed Saskatchewan Party, which united the right against the NDP.
Joined New Party
RN
Richard Neufeld
1997NotableReform Party of BC → BC LiberalMLABritish Columbia
5/5
Neufeld left the Reform Party of BC to join the BC Liberals, the new dominant centre-right party, as Reform faded provincially.
Switched SidesGot Cabinet
John Nunziata
1996NotableLiberal → IndependentMPOntario
0/5
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…
Stood on Principle
GB
Gilles Bernier
1993NotableProgressive Conservative → IndependentMPQuebec
3/5
Gilles Bernier, a Progressive Conservative MP for Beauce since 1984, was a colourful Quebec politician who ran as an Independent in the October 1993 election after being denied …
Kicked Out
GW
Gordon Wilson and Judi Tyabji
1993NotableBC Liberal → Progressive Democratic AllianceMLABritish Columbia
3/5
Wilson, former BC Liberal leader, and Tyabji left the Liberals after Wilson was ousted as leader due to a personal scandal involving his relationship with Tyabji. They founded t…
Started New PartyGot Cabinet
David Kilgour
1990NotableProg. Conservative → IndependentMPAlberta
3/5
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.
Stood on PrincipleGot Cabinet
FG
François Gérin
1990Progressive Conservative → Bloc QuébécoisMPQuebec
3/5
François Gérin, a Progressive Conservative MP for Mégantic—Compton—Stanstead, was among the first Quebec MPs to break with Brian Mulroney over the failure of the Meech Lake Acco…
Started New Party
Gilles Duceppe
1990NotableIndependent → Bloc QuébécoisMPQuebec
5/5
Gilles Duceppe made history on August 13, 1990, when he won the by-election in Laurier—Sainte-Marie as an Independent sovereigntist — the first explicitly pro-sovereignty candid…
Started New Party
LP
Louis Plamondon
1990NotableProgressive Conservative → Bloc QuébécoisMPQuebec
5/5
Louis Plamondon, a Progressive Conservative MP for Richelieu since 1984, left the Conservative caucus in June 1990 in the wake of the Meech Lake crisis and joined the nascent Bl…
Started New Party
Lucien Bouchard
1990NotableProg. Conservative → Bloc QuébécoisMPQuebec
2/5
Bouchard was a cabinet minister under PM Mulroney. When the Meech Lake Accord (a constitutional deal meant to bring Quebec into the constitution) failed, Bouchard left the party…
Started New Party
NL
Nic Leblanc
1990Progressive Conservative → Bloc QuébécoisMPQuebec
3/5
Leblanc was a PC MP who joined the Bloc Québécois as a founding member after the collapse of the Meech Lake Accord.
Started New Party
PV
Pierrette Venne
1990Progressive Conservative → Bloc QuébécoisMPQuebec
4/5
Venne left the PC caucus to join the Bloc Québécois as a founding member, motivated by Quebec sovereignty.
Started New Party