Prime Minister Carney announces 6 byelections for Dec. 7, including 3 in Quebec

By François Vézina, The Canadian Press

Federal Prime Minister Mark Carney announced Sunday that byelections will be held on Dec. 7 in six ridings, including three in Quebec.

In Quebec, the three ridings affected by this announcement are: Laurier—Sainte-Marie and Rosemont—La Petite-Patrie on the Island of Montreal, as well as Saint-Hyacinthe—Bagot—Acton in the Montérégie region.

Some of these elections could serve as a good test for Carney’s government. In Quebec, the three seats up for grabs were held by three different parties.

The Laurier—Sainte-Marie district was Liberal. In April 2025, Steven Guilbeault won the seat fairly easily, securing 52.1 per cent of the vote, ahead of New Democrat Ninâ Machouf (18.8 per cent) and Bloc Québécois candidate Emmanuel Lapierre (15.4 per cent).

Long a Bloc Québécois stronghold, then a New Democratic Party stronghold, the district turned red in the 2019 by-election that saw Guilbeault’s victory. He stepped down from his position in August, disappointed by the setbacks in climate policy under Prime Minister Carney.

The opposition parties will have their work cut out for them to unseat the Liberals here. On Sunday, the Liberal Party of Canada (LPC) announced the candidacy of Guy Cormier, former president and CEO of the Desjardins Group. He will face off against New Democrat Nimâ Machouf and Bloc Québécois candidate Zumretay Arkin, a former vice president of the World Uyghur Congress.

The NDP could lose its only seat in Quebec, Rosemont—La Petite-Patrie, considered Alexandre Boulerice’s personal stronghold. Boulerice left the House of Commons to try his hand at provincial politics. He was elected in early October under the Québec solidaire banner in Gouin.

In 2025, Boulerice won by a majority of 5,601 votes over Liberal candidate Jean-Sébastien Vallée.

Vallée, a human rights activist, will try his luck again on December 7. His opponents will be Bloc Québécois candidate Alexandre Curzi, executive director of the Union des artistes (UDA), and New Democrat Pierre Céré, who served for many years as coordinator of the Montreal Unemployment Committee.

Another close race is expected in Saint-Hyacinthe—Bagot—Acton, which has been vacant since former Bloc Québécois member Simon-Pierre Savard-Tremblay decided to switch to provincial politics with the Parti Québécois. In 2025, Mr. Savard-Tremblay won by 5,943 votes over Liberal candidate Mélanie Bédard.

The Liberals have announced that former CAQ MNA Chantal Soucy will be their candidate. For its part, the Bloc Québécois is counting on former diplomat Caroline Emond to hold onto the riding. The Conservative Party will be represented by Luc Brodeur-Jourdain, a former player and coach for the Montreal Alouettes.

In Ontario and Saskatchewan

Another race to watch: the one in Brantford—South Brant, in southern Ontario.

Conservative Larry Brook was elected there by a margin of more than 7,000 votes over Liberal Joy O’Donnell in April 2025.

Brook, who officially resigned from his seat in September, was the seventh MP to leave the Conservative caucus over the past year.

The Scarborough North riding has been a Liberal stronghold since its creation in 2015. Shaun Chen won it by nearly 14,000 votes over Conservative Gurmit Sandhu in 2025. He resigned to try his hand at municipal politics. Chen succeeded, as he was elected a Toronto city councilor.

The sixth by-election will take place in the Yorkton—Melville riding in Saskatchewan, a Conservative stronghold. Cathay Wagantall won more than 77 per cent of the vote in 2025.

–This report by La Presse Canadienne was translated by CityNews

Keep it Factual
Add CityNews Montreal as a trusted source on Google to see more local stories from us.

Top Stories

Top Stories

Most Watched Today