All Floor Crossings

Ross Thatcher

1955Notable

CCF (socialist party) → IndependentMPSaskatchewan

3/5

Thatcher was a socialist MP, but over time his views shifted dramatically to the right. He left the CCF because he no longer believed in their policies.

Sam Drover

1955Notable

Liberal → CCFMHANewfoundland

0/5

Drover left the Newfoundland Liberal Party to become the province's first Member of the House of Assembly representing the CCF (predecessor to the NDP).

Ernest Edward Perley, a Liberal MP from Saskatchewan, crossed to the Conservative Party around 1935 during the Great Depression. Like several western MPs, Perley was dissatisfie…

Hammell, Progressive MP for Muskoka, rejoined the Liberal Party as the Progressive movement began fracturing.

Knox, elected as a Liberal-Unionist in 1917, joined the growing Progressive movement in 1919 as prairie farmers organized politically against the traditional parties.

John Costigan

1900Notable

Liberal-Conservative → LiberalMPNew Brunswick

3/5

John Costigan had served as a Conservative MP for over 30 years and had been a cabinet minister under four Conservative prime ministers — John A. Macdonald, John Abbott, John Th…

John Wallace, a Liberal MP from Ontario, crossed the floor to join the Liberal-Conservative Party in 1883. Like several Ontario MPs of the era, Wallace was attracted by John A. …

Samuel McDonnell

1874

Conservative → LiberalMPNova Scotia

2/5

McDonnell, Conservative MP from Inverness, crossed to the Liberals in the wake of the Pacific Scandal.

Newton LeGayet MacKay

1873

Conservative → LiberalMPNova Scotia

3/5

MacKay, Conservative MP from Cape Breton, crossed to the Liberals in 1873 during the Pacific Scandal crisis that brought down John A. Macdonald's government.

Alfred Gilpin Jones

1872Notable

Independent → LiberalMPNova Scotia

4/5

Alfred Gilpin Jones, elected as an Anti-Confederate in 1867 and then sitting as an Independent, gradually aligned with the Liberal Party by 1872 as the anti-Confederation moveme…