Nathalie Sinclair-Desgagné
Nathalie Sinclair-Desgagné is a Canadian politician and member of the Bloc Québécois, who has served as the Member of Parliament for Terrebonne. Known for her advocacy on issues pertinent to Quebec's interests, she recently gained attention when a validation process flipped her riding's results, confirming her victory over the Liberal candidate in a closely contested election.
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Recent news mentions
Nathalie Sinclair-Desgagné was the Bloc Québécois candidate who lost to Tatiana Auguste by one vote in the 2025 election.
Supreme Court invalidates Liberal MP’s single-vote victory in Quebec riding
Canada· 2026-02-13
Nathalie Sinclair-Desgagné challenged the election result after coming in second.
Judge rejects Bloc Québécois candidate’s bid to cancel Terrebonne election decided by one voteCanada· 2025-10-27
Nathalie Sinclair-Desgagné challenged the election result after a voter reported her ballot was not counted.
A blunder meant this voter’s ballot wasn’t counted – then her pick lost by one vote. Now the case is in court
United States· 2025-10-22
Nathalie Sinclair-Desgagné lost the electoral district of Terrebonne to Liberal Tatiana Auguste in the April vote.
Case of a single vote that decided a federal election in Canada sparks uproar | Canada
United Kingdom· 2025-10-21Liberal candidate Tatiana Auguste initially won the riding, but it flipped to Bloc Québécois candidate Nathalie Sinclair-Desgagne after the votes went through a validation process.
Elections Canada to review special ballot system after vote issues in Terrebonne, other ridingsCanada· 2025-09-15
Nathalie Sinclair-Desgagné was the Bloc Québécois opponent of Liberal candidate Tatiana Auguste.
‘Every vote counts’ is not just a sloganCanada· 2025-06-03Nathalie Sinclair-Desgagné speaks in the Foyer of the House of Commons regarding the election results in Terrebonne.
Bloc Québécois files legal challenge of election results in Terrebonne riding after one vote lossCanada· 2025-05-23
Bloc Quebecois candidate Nathalie Sinclair-Desgagne speaks in the Foyer of the House of Commons on Parliament Hill in Ottawa.
We need a by-election in TerrebonneCanada· 2025-05-23
Ms. Sinclair-Desgagné, who attended the Bloc’s news conference, said the situation has been an emotional roller coaster.
Bloc to ask court to overturn election outcome in riding that Liberals won by single voteCanada· 2025-05-15
Bloc candidate Nathalie Sinclair-Desgagné was handed the seat by just 44 votes after the validation process.
In Quebec riding that Liberals won by a single vote, this woman’s Bloc ballot was sent backCanada· 2025-05-15
Nathalie Sinclair-Desgagné is a Bloc Québécois MP who lost her election by a single vote after a judicial recount.
Bloc member who lost by 1 vote considers ‘all options’ after report of ballot problemCanada· 2025-05-13Nathalie Sinclair-Desgagné appeared to have beaten her Liberal challenger Tatiana Auguste.
Canada’s Liberals inch toward majority, but one vote could decide key contest | CanadaUnited Kingdom· 2025-05-13Nathalie Sinclair-Desgagné had initially appeared to be the winner there in last month’s federal election.
Liberals pick up another seat by a single vote after results of judicial recount in Montreal-area ridingCanada· 2025-05-12
Nathalie Sinclair-Desgagné was the incumbent candidate who narrowly lost to Tatiana Auguste in the recount.
Canada's Liberal Party wins one more seat after Quebec recountUnited Kingdom· 2025-05-11Nathalie Sinclair-Desgagne was the incumbent Bloc Québécois MP who lost the seat to Tatiana Auguste by a narrow margin.
Liberals take Quebec riding by single vote after judicial recountCanada· 2025-05-11Nathalie Sinclair-Desgagné of the Bloc Québécois speaks alongside party Leader Yves-François Blanchet in Ottawa in 2021.
Politics Insider: Liberal seat count reduced to 168 pending recount after BQ gains riding upon validationCanada· 2025-05-01
The Bloc’s Nathalie Sinclair-Desgagné won 38.8 per cent of the vote.
Quebec riding of Terrebonne flips from Liberal to Bloc Québécois after validation processCanada· 2025-05-01