The Delayed Reward

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…

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.

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.

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

MacAlpine-Stiles and Stiles, married New Brunswick PC MLAs, both crossed the floor to join the governing Liberals of Shawn Graham.

Peterson, Ontario Liberal MPP for Mississauga South, left the Liberals in March 2007 over policy disagreements and joined the PCs in June 2007.

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

Joe Peschisolido

2002

Canadian Alliance → LiberalMPBritish Columbia

3/5

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

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.

Jim Jones

2000

Progressive Conservative → Canadian AllianceMPOntario

0/5

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 …

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…

Buckley Belanger

1998Notable

Saskatchewan 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.

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

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

Al Passarell

1985

NDP → Social CreditMLABritish Columbia

2/5

Passarell, NDP MLA for Atlin who had defeated Frank Calder, crossed to Social Credit in 1985.

Ralph Wesley Stewart, a Liberal MP from British Columbia, crossed the floor to join the Progressive Conservative Party in 1979. Stewart's crossing came during a period when the …

Jacques Lavoie, a Progressive Conservative MP from Quebec, crossed the floor to join the Liberal Party in 1977. His switch came during a period of intense political flux in Queb…

Frank Calder

1975Notable

NDP → Social CreditMLABritish Columbia

3/5

Calder was the first Indigenous person elected to any legislature in Canada, serving 26 years as a CCF/NDP member. He crossed to Social Credit, the governing party.

Three BC Liberal MLAs crossed to Social Credit as the free-enterprise coalition consolidated against the NDP. This effectively merged the BC Liberals into Social Credit.

Curtis, a BC Conservative MLA, crossed to Social Credit as part of the consolidation of the free-enterprise coalition against the Barrett NDP government.

Ouellet and Girouard, Social Credit MPs from Quebec, left the fragmenting Social Credit party to join the Progressive Conservatives.

Rolston, a BC Progressive Conservative MLA, crossed the floor to join W.A.C. Bennett's new Social Credit government.

Louis-Joseph Papineau

1911

Liberal → ConservativeMPQuebec

2/5

Papineau, Liberal MP since 1908, ran and was re-elected as a Conservative in the 1911 election. He later reversed course in 1917, leaving the Conservatives to oppose conscriptio…

James Domville

1896

Conservative → LiberalMPNew Brunswick

4/5

James Domville, a Conservative MP from Kings County, New Brunswick, and former militia colonel, switched to the Liberal Party around 1896 as the Conservative coalition showed si…

Five Quebec Liberal MLAs — Alexandre Chauveau, Edmund James Flynn, Louis Napoléon Fortin, Étienne-Théodore Pâquet, and Ernest Racicot — crossed the floor to the Conservatives in…