Conservative MP Michael Ma Defects to Carney's Liberals
Michael Ma's defection from the Conservatives leaves Liberals with 171 seats, just one short of a majority in the House of Commons, amid intra-party frustrations.
- On Thursday evening, Ontario MP Michael Ma announced he was leaving the Conservative caucus to join the Liberal caucus, The Canadian Press first published the report Dec. 12, 2025.
- After listening to constituents in Markham–Unionville, Michael Ma said he made his decision following a meeting with Prime Minister Mark Carney Thursday before joining the government caucus.
- Hours earlier, Michael Ma had attended the Conservative Christmas party and posed for a photo with Pierre Poilievre; Scott Aitchison called Ma `incredibly disappointed` for betraying voters months ago.
- The move raises the Liberals to 171 seats in the House, one shy of a majority, while Steven MacKinnon said he won't speculate on courting more MPs.
- The shift follows another defection last month by Chris d'Entremont, and Steven MacKinnon said he has spoken to other Conservative MPs who are `extremely frustrated` with their party's leadership.
90 Articles
90 Articles
'A strange situation': Conservative MPs sharply rebuke floor-crosser Ma as Liberals inch toward majority
Toronto-area MP Michael Ma is the latest disgruntled Conservative to join the ‘big tent’ Liberals. While several Liberal MPs tell The Hill Times more floor-crossers are coming, Conservative strategists say it won't impact Pierre Poilievre's leadership review in January.
Liberals blame Pierre Poilievre after another MP’s defection stuns Conservatives
Buoyed by the defection of another Conservative MP to the government benches, Liberal House Leader Steven MacKinnon claimed Friday that there are more disgruntled Tories who might find a home in Prime Minister Mark Carney's caucus.
MPs who cross the floor are dishonourable members
Former Tory MP, Michael Ma, is welcomed to the Liberal Party by Mark Carney. John Ivison Toronto area MP, Michael Ma’s defection has put the Liberals within a seat of a majority So the Groucho Marx Party – “these are my principles: if you don’t like them, I have others” – has another member. Michael Ma, who was elected as Conservative MP for Markham-Unionville about five minutes ago, has flipped to the Liberals, taking their standings to one ta…
Small group of Conservatives frustrated with Poilievre: Liberal House leader
OTTAWA — Government House leader Steven MacKinnon said Friday there are other MPs in the Conservative caucus who are “extremely frustrated” with the political direction being taken by their party. Questioned by reporters the morning after MP Michael Ma left the Conservatives to join the Liberal caucus, MacKinnon said a handful of Conservatives have shared […]
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