Tatiana Auguste

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Auguste ran as the Liberal candidate for the riding of Terrebonne in the 2025 federal election. She was initially thought to have defeated incumbent Bloc Québécois MP Nathalie Sinclair-Desgagné by 35 votes in the initial vote count. However, subsequent validation of the count by Elections Canada instead showed that Sinclair-Desgagné had retained her seat by a 44-vote margin. [4] Due to the tight margin, an automatic recount was called. [5] On May 10, 2025, the judicial recount in the Superior Court of Quebec flipped the seat back to Auguste by the margin a single vote, the narrowest result in the country. [6] She was one of four people born in the 21st century elected to the House of Commons in the 2025 election. [7] Auguste called the experience "a rollercoaster. From winning to not winning, and then winning again." [8]

On May 13, a Bloc Québécois voter disclosed that her mail-in ballot had been returned to her due to a postal code misprint on the envelope provided by Elections Canada. [9] After Elections Canada said that it did not have legal standing to change the result, the Bloc Québécois announced on May 15 that it would seek a court order for a new by-election. The same day, Elections Canada stated that five other mail ballots with the incorrect returning address printed had been rejected because they had arrived at the Elections Canada office in the riding after the deadline; the statement said that it could not determine if the incorrect address was responsible. [10] The election result was upheld on October 27 by the Superior Court of Quebec. [11] On November 3, Sinclair-Desgagné announced that she would be appealing the ruling to the Supreme Court of Canada. [12] [13] On February 13, 2026, the Supreme Court annulled the result of the election in the riding, leaving the seat vacant until a by-election is held. [14] [15]

Electoral record

Tatiana Auguste
Member of Parliament
for Terrebonne
In office
April 28, 2025 February 13, 2026
Canadian federal by-election, TBD, 2026 : Terrebonne
2025 result annulled by Supreme Court
PartyCandidateVotes%±%
Liberal Tatiana Auguste (presumptive)
Bloc Québécois Nathalie Sinclair-Desgagné (presumptive)
Conservative TBD
New Democratic TBD
Green TBD
People's TBD
Total valid votes/expense limit
Total rejected ballots
Turnout
Eligible voters
Source:
2025 Canadian federal election : Terrebonne
PartyCandidateVotes%±%Expenditures
Liberal Tatiana Auguste 23,35238.741+9.37
Bloc Québécois Nathalie Sinclair-Desgagné 23,35138.739−2.66
Conservative Adrienne Charles10,96118.18+7.72
New Democratic Maxime Beaudoin1,5562.58−4.07
Green Benjamin Rankin6301.05−0.38
People's Maria Cantore4280.71−1.97
Total valid votes/expense limit60,27898.63
Total rejected ballots8401.37
Turnout61,11868.12
Eligible voters89,725
Liberal notional gain from Bloc Québécois Swing +6.02
Source: Elections Canada [16] [17]
Notes: Results were annulled by the Supreme Court of Canada on February 13, 2026. [18] The results were also subject to an automatic judicial recount on May 7, 2025. [19] The number of eligible voters does not include election day registrations.

References

  1. Morasse, Marie-Eve; Crête, Mylène (May 1, 2025). "Terrebonne toujours dans l'attente" [Terrebonne still waiting]. La Presse (in Canadian French). Archived from the original on May 1, 2025. Retrieved May 10, 2025.
  2. "Canada : Née en Haïti, Tatiana Auguste a failli devenir la plus jeune députée élue de la 45e législature". Rezo Nòdwès (in French). May 4, 2025. Archived from the original on June 26, 2025. Retrieved June 26, 2025.
  3. "Tatiana Auguste". Liberal Party of Canada. Archived from the original on May 1, 2025. Retrieved May 10, 2025.
  4. "Bloc Québécois wins Terrebonne riding after vote validation". CityNews Montreal . May 1, 2025. Retrieved May 10, 2025.
  5. Zimonjic, Peter (April 29, 2025). "Why a minority Liberal government took so long to call".
  6. Lopez Steven, Benjamin (May 10, 2025). "Quebec riding of Terrebonne flips to Liberals after recount shows candidate won by single vote". CBC News . Archived from the original on May 10, 2025. Retrieved May 10, 2025.
  7. Major, Darren; Godmere, Emma (May 3, 2025). "For the first time, MPs born in the 21st century are headed to the Hill". CBC News . Retrieved May 10, 2025.
  8. Izri, Touria (May 12, 2025). "Liberal MP celebrates 'rollercoaster' win, flipping Quebec seat by one vote". Global News . Archived from the original on May 12, 2025. Retrieved May 12, 2025.
  9. Lau, Rachel; Lofaro, Joe (May 14, 2025). "Terrebonne resident has ballot rejected after Elections Canada error, Liberals win by 1 vote". CTV News . Archived from the original on May 14, 2025. Retrieved May 15, 2025.
  10. Cabrera, Holly (May 15, 2025). "Bloc Québcois contesting recount in Terrebonne, after 5 more ballot issues declared in riding". CBC News . Retrieved May 15, 2025.
  11. Banerjee, Sidhartha (October 27, 2025). "Court rules against challenge by Bloc Québécois candidate who lost by one vote". The Gazette . The Canadian Press . Retrieved February 13, 2026.
  12. MacDiarmid, Campbell (November 3, 2025). "Bloc Québécois candidate who lost by 1 vote plans appeal to Supreme Court". CBC News.
  13. Proulx, Boris (November 3, 2025). "La candidate bloquiste défaite par une voix dans Terrebonne part en Cour suprême" [The Bloc candidate defeated by one vote is going to the Supreme Court]. Le Devoir (in French).
  14. "Supreme Court cancels result from federal election in Terrebonne riding". CTVNews. February 13, 2026. Retrieved February 13, 2026.
  15. Major, Darren (February 13, 2026). "Supreme Court nullifies Liberal single-vote election win in Montreal-area riding". CBC News . Retrieved February 13, 2026.
  16. "Voter information service". Elections Canada. Retrieved May 11, 2025.
  17. "Election Night Results - Electoral Districts". Elections Canada. Retrieved May 11, 2025.
  18. Major, Darren (February 13, 2026). "Supreme Court nullifies Liberal single-vote election win in Montreal-area riding". CBC News.
  19. Lopez Stephen, Benjamin (May 10, 2025). "Quebec riding of Terrebonne flips to Liberals after recount shows candidate won by single vote". CBC News. Retrieved May 11, 2025.