Reform/Alliance & Conservative Merger

Denis Pronovost, a Progressive Conservative MP from Quebec, left the Conservative caucus in June 1993 as the Mulroney government was in its death throes. Pronovost was part of t…

Drainville, Ontario NDP MPP for Victoria-Haliburton, quit the NDP caucus to sit as an independent to protest the Rae government's decision to allow casino gambling in Ontario.

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 …

McPherson, Saskatchewan NDP MLA, left the NDP to join the Liberals.

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…

Bhaduria was removed from the Liberal caucus after controversy over falsified educational credentials and a previous court case. He sat as an independent, styling himself a "Lib…

Four Social Credit MLAs left the collapsing party to join the Reform Party of BC as Social Credit became unelectable provincially after years of scandal.

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…

Jan Brown, a Reform Party MP for Calgary Southeast, was suspended from the Reform caucus on May 7, 1996, after clashing repeatedly with the party leadership. Brown had been one …

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.

In August 1997, four Liberal MLAs (Bob Bjornerud, June Draude, Ken Krawetz, and Rod Gantefoer) and four Progressive Conservative MLAs (Bill Boyd, Don Toth, Ben Heppner, and Dan …

Julé, Saskatchewan Liberal MLA for Humboldt, left the Liberals to join the newly formed Saskatchewan Party, which united the right against the NDP.

Bernard St-Laurent, a Bloc Québécois MP for Manicouagan, broke with the party in March 1997 following internal disputes with the BQ leadership. St-Laurent had been elected in th…

Gooshen, Saskatchewan PC MLA, refused to join the new Saskatchewan Party formed from the merger of PCs and Liberals, choosing instead to sit as an independent.

Neufeld left the Reform Party of BC to join the BC Liberals, the new dominant centre-right party, as Reform faded provincially.

Cullen, Ontario Liberal MPP for Ottawa West, left the Liberals to join the Ontario NDP, citing disagreements over the party's direction on social policy.

Belanger, Saskatchewan Liberal MLA for Athabasca, crossed to the governing NDP, joining the party he felt better served his northern riding's interests.

One of the most dramatic ideological shifts - from the left-wing NDP all the way to the right-wing Progressive Conservatives.

Castrilli, Ontario Liberal MPP for Downsview, crossed to the PCs after losing her Liberal nomination due to riding redistribution. She joined the governing party of Mike Harris.

Bill Matthews, a Progressive Conservative MP for Burin—St. George's in Newfoundland, crossed to the Liberal Party in August 1999. Matthews had been elected as a PC in 1997 and w…

Wilson, PDA MLA and former BC Liberal leader, crossed to the governing BC NDP under Premier Ujjal Dosanjh, receiving a cabinet appointment.

Réjean Lefebvre, a Bloc Québécois MP, left the party caucus in January 1999 following personal disputes with the party leadership. Lefebvre had been elected in the 1993 BQ sweep…

Harvey crossed from the PCs to the Liberals in 2000, dissatisfied with the party's direction under Joe Clark.

Price, PC MP for Compton-Stanstead, crossed to the Liberals along with several other Quebec PCs in 2000.

St-Jacques joined the Liberal Party along with other Quebec PC MPs who were unhappy with the party's direction.

Jack Ramsay, a Reform Party MP for Crowfoot in Alberta and former RCMP officer, was suspended from the Reform caucus in November 1999 following criminal charges and personal con…

Jake Hoeppner, a Reform Party MP for Portage—Lisgar in Manitoba, had a prolonged falling out with the party that began with his suspension from caucus in July 1999. Hoeppner was…

Jim Jones, a Progressive Conservative MP for Markham in Ontario, defected to the newly formed Canadian Alliance in September 2000. Jones had been expelled from the PC caucus in …

Laliberte, NDP MP for Churchill River, crossed to the Liberals in 2000, reportedly for better access to government resources for his northern riding.

Deborah Grey was the very first Reform/Alliance MP ever elected. She and 12 other Alliance MPs publicly revolted against their leader Stockwell Day, accusing him of poor leaders…

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…

Carignan, a Liberal senator from Quebec, left the Liberal caucus to sit as an independent in the Senate over policy disagreements.

Melenchuk and Osika, the last two Saskatchewan Liberal MLAs, crossed to the governing NDP, effectively ending the Saskatchewan Liberals as a legislative force.

Fentie left the Yukon NDP and joined the Yukon Party.

Lebel, Bloc Québécois MP for Chambly, left the BQ caucus to sit as an independent over disagreements with the party leadership.

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.

Pankiw, MP for Saskatoon-Humboldt, was part of the DRC dissidents from the Alliance. He sat as an independent after failing to join other parties, known for controversial views.

Peschisolido, Alliance MP for Richmond, crossed to the Liberals citing dissatisfaction with the Alliance's direction under Stephen Harper.

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.

Brien, Bloc Québécois MP for Témiscamingue, left the BQ to sit as an independent, expressing waning interest in the sovereignist cause.

Lanctôt, Bloc Québécois MP for Châteauguay, crossed to the Liberals in late 2003, joining the Paul Martin government.

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.

André Bachand, a Progressive Conservative MP for Richmond—Arthabaska since 1997, refused to join the newly merged Conservative Party of Canada on February 2, 2004, choosing inst…

Cools, a Liberal senator since 1984, crossed to the newly formed Conservative Party in 2004 over her opposition to same-sex marriage legislation. She was the first Black Canadia…

Chuck Cadman, the Conservative MP for Surrey North and a well-known victims' rights advocate whose teenage son Jesse had been murdered in 1992, lost the Conservative Party nomin…

Masyk, Alberta PC MLA for Edmonton-Norwood, crossed the floor to join the Alberta Alliance Party over disagreements with PC governance.

Bryden, Liberal MP for Ancaster-Dundas-Flamborough-Aldershot, crossed to the newly formed Conservative Party in 2004, disagreeing with Liberal policies.

John Herron, a Progressive Conservative MP for Fundy—Royal since 1997, was one of the last three sitting PC MPs to refuse to join the new Conservative Party of Canada when it wa…

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…

Larry Spencer, a Canadian Alliance MP for Regina—Lumsden—Lake Centre, was expelled from the Alliance caucus in November 2003 after making controversial comments to a newspaper c…

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…

Desjarlais, NDP MP for Churchill, voted against same-sex marriage in defiance of her party's position. She lost her NDP nomination and sat as an independent.

Kilgour left the Liberal caucus in 2005, citing the sponsorship scandal and disagreements on Sudan policy. This was his second floor crossing — he had previously crossed from th…

O'Brien left the Liberal caucus over the government's same-sex marriage legislation, sitting as an independent.

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…

Branch, New Brunswick Liberal MLA for Nepisiguit, left the Liberal caucus to sit as an independent over policy disagreements with the government.

Malley, New Brunswick PC MLA, left the PC caucus to sit as an independent following disputes with the party leadership.