Coordinates: 45°38′13″N 73°48′00″W / 45.63694°N 73.80000°W / 45.63694; -73.80000
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Rosemère church.
Rosemère church.
Coat of arms of Rosemère
"Vivat floreat crestat"
(Latin for, "Live, Bloom and Grow")
Location within Thérèse-De Blainville RCM.
Location within Thérèse-De Blainville RCM.
Rosemère is located in Central Quebec
Location in central Quebec.
Coordinates: 45°38′13″N 73°48′00″W / 45.63694°N 73.80000°W / 45.63694; -73.80000[1]
RCMThérèse-De Blainville
ConstitutedJanuary 1, 1947
 • MayorEric Westram
 • Federal ridingRivière-des-Mille-Îles
 • Prov. ridingGroulx
 • Total12.20 km2 (4.71 sq mi)
 • Land10.77 km2 (4.16 sq mi)
29 m (95 ft)
 • Total14,294
 • Density1,326.9/km2 (3,437/sq mi)
 • Pop 2006–2011
Increase 0.9%
Time zoneUTC– 05:00 (EST)
 • Summer (DST)UTC– 04:00 (EDT)
Postal code(s)
Area code(s)450 and 579


Rosemère is an affluent suburb of Montreal, in southwestern Quebec, Canada on the north shore of the Rivière des Mille Îles in the Thérèse-De Blainville Regional County Municipality. The town is noted for its green look, due to the high density of trees. Some wooded areas in the town have been left intact as the town has grown around them. Homes are mostly upscale, varying from renovated cottages to unique character homes. It is almost entirely residential, with no significant industries. Boulevard Curé-Labelle, the town's main commercial artery, is lined up by suburban shops and shopping malls, the largest of which is Place Rosemère.

Its most famous resident is likely Alexandre Bilodeau, who became the first Canadian athlete to win an Olympic gold medal on Canadian soil. He won the men's moguls event at the 2010 Winter Olympics in Vancouver, British Columbia.


In the 2021 Census of Population conducted by Statistics Canada, Rosemère had a population of 14,090 living in 5,249 of its 5,340 total private dwellings, a change of 0.9% from its 2016 population of 13,958. With a land area of 10.68 km2 (4.12 sq mi), it had a population density of 1,319.3/km2 (3,416.9/sq mi) in 2021.[4]

Canada Census Mother Tongue – Rosemère, Quebec[5]
Census Total
French & English
Year Responses Count Trend Pop % Count Trend Pop % Count Trend Pop % Count Trend Pop %
10,025 Decrease3.18% 71.15% 1,730 Increase 24.4% 12.27% 340 Increase 61.9% 1.52% 1,725 Increase 24.10% 12.24%
10,355 Decrease3.4% 75.04% 1,390 Decrease 23.84% 10.07% 210 Increase 10.52% 1.52% 1,390 Increase 9.49% 10.07%
14 135
10,720 Increase 0.03% 75.84% 1,825 Decrease 10.68% 12.91% 190 Decrease 13.15% 1.35% 1,270 Increase 14.56% 9.06%
10,685 Increase 5.66% 76.26% 2,020 Decrease 3.57% 14.41% 215 Increase 20.93% 1.53% 1,085 Increase 24% 7.74%
10,080 Increase 12.9% 76.27% 2,095 Decrease 4.3% 15.85% 170 Decrease 5.5% 1.24% 875 Increase 8.5% 6.62%
12 025
8,770 n/a 72.93% 2,190 n/a 18.21% 180 n/a 1.49% 805 n/a 6.69%


The area that would become Rosemère was first settled in 1714, with the establishment of the Mille-Îles Seigneury.[6] By 1780, the seigneury was well established, with large tracts of land under cultivation. Rosemere was named by J.P. Withers, of the Canadian Pacific Railway, who moved to the area in 1880. At first he called his new home "Rose", after the many wild roses growing there. Later he added "mere", an old English word for a lake. The Rivière des Mille Îles is wide and has the appearance of a lake at this location, so the English meaning would be "lake of roses". After the town's incorporation, documents were forwarded to Quebec City, and an accent was added to the middle 'e', according to statements by residents. In French, the name does not mean "Mother of Roses", which would be said "Mère des Roses" in French. The town's name has no sensible meaning in French, though in typical Canadian fashion, the name has become bilingual.

In the first half of the last century, Rosemère had several natural sandy beaches on the Rivière des Mille Îles and many cottages along the shoreline that were only used during the summer. These beaches fell into disuse in the early 1960s because of pollution. A majority of the year-round residents were francophone and many of the summer-only residents were anglophone. After World War II, Rosemère was transformed into a bedroom community of Montreal with the construction of homes in farmland and forested areas northwest of Grande Cote. By 1964, 65% of Rosemère's residents were anglophone. While the French and English residents of Rosemère have always enjoyed the ambiance of the area in harmony, the English population has declined over the years to today's 16% (2001 Canadian Census), but has since climbed to 19.89% (2006 Canadian Census)[citation needed].

The French- and English-speaking communities of Rosemère have cohabitated for a long time, each of them leaving its own mark and institutions. In 1992, a public consultation process confirmed the desire of residents to preserve the Town of Rosemère's bilingual status.


The Commission scolaire de la Seigneurie-des-Mille-Îles (CSSMI) operates French-language schools in the city.[7]

  • École secondaire Hubert-Maisonneuve (lower secondary)[8]
  • École primaire Alpha[9]
  • École primaire Val-des-Ormes[10]

Some students are zoned to École primaire du Ruisselet in Lorraine and École primaire de Fontainebleau in Blainville. Upper secondary students are zoned to École Polyvalente Sainte-Thérèse in Sainte-Thérèse or to École secondaire Rive-Nord in Bois-des-Filion.[11]

Furthermore, the administration building for the Sir Wilfrid Laurier School Board which operates English-language schools found in the Laval, Laurentides and Lanaudière regions is located in Rosemère. It neighbours one of its secondary schools, Rosemere High School which also houses the English school board's educational and complementary services.[12] The board also operates McCaig Elementary School, which is located in very close proximity to the high school, as it is located on the same street.[13] McCaig and Rosemere High serve all areas of the municipality.[14][15]

The francophone private school Académie Sainte-Thérèse has a campus in Rosemère. Externat Sacré-Cœur is also in the town.

Municipal chronology[edit]

Population history, according to the Institut de la statistique du Québec:

  • 12,186 inhabitants (as of 1996);
  • 12,675 (as of 1997);
  • 13,050 (as of 1998);
  • 13,287 (as of 1999);
  • 13,497 (as of 2000);
  • 13,692 (as of 2001);
  • 13,933 (as of 2002);
  • 14,198 (as of 2003);
  • 14,340 (as of 2004);
  • 14,271 (as of 2005);
  • 14,276 (as of 2006);
  • 14,281 (as of 2007);
  • 14,188 (as of 2008);
  • 14,294 (as of 2011).


Rosemère is connected to Montreal's Lucien-L'Allier Station by commuter rail via the Rosemère station of the Exo (Réseau de transport métropolitain) Saint-Jérôme line. Local bus service is provided by the RTM's CITL section.


The city of Rosemère is part of the following regional boundaries:

See also[edit]


  1. ^ "Reference number 54539 in Banque de noms de lieux du Québec". (in French). Commission de toponymie du Québec.
  2. ^ a b "Geographic code 73020 in the official Répertoire des municipalités". (in French). Ministère des Affaires municipales et de l'Habitation.
  3. ^ a b Statistics Canada 2011 Census – Rosemère census profile
  4. ^ "Population and dwelling counts: Canada, provinces and territories, and census subdivisions (municipalities), Quebec". Statistics Canada. February 9, 2022. Retrieved August 29, 2022.
  5. ^ Statistics Canada: 1996, 2001, 2006, 2011, 2016, 2021census
  6. ^ Ville de Rosemère – History
  7. ^ "Admission et inscription Archived 2015-01-31 at the Wayback Machine." Commission scolaire de la Seigneurie-des-Mille-Iles. Retrieved on December 7, 2014. "La Commission scolaire de la Seigneurie-des-Mille-Iles (CSSMI) offre ses services aux résidents des municipalités de : Blainville, Boisbriand, Bois-des-Filion, Deux-Montagnes, Lorraine, Mirabel (Saint-Augustin, Saint-Benoît, Sainte-Scholastique et secteur du Domaine-Vert), Oka, Pointe-Calumet, Rosemère, Sainte-Anne-des-Plaines, Sainte-Marthe-sur-le-Lac, Sainte-Thérèse, Saint-Eustache, Saint-Joseph-du-Lac, Saint-Placide et Terrebonne Ouest."
  8. ^ "secondaire Hubert-Maisonneuve." Commission scolaire de la Seigneurie-des-Mille-Iles. Retrieved on December 7, 2014.
  9. ^ "Alpha." Commission scolaire de la Seigneurie-des-Mille-Iles. Retrieved on December 7, 2014.
  10. ^ Home. École Val-des-Ormes. Retrieved on September 20, 2017.
  11. ^ "Répertoire des aires de desserte par ville 2017 – 2018 (Généré le 20/9/2017) Rosemère." Commission scolaire de la Seigneurie-des-Mille-Iles. Retrieved on September 20, 2017.
  12. ^ "Frequently Asked Questions." "Q. Where is the SWLSB's administration building located? The SWLSB's administration building is located at 235 Montée Lesage, Rosemère (Québec) J7A 4A6. The Educational Services/Complementary Services is located next to the administrative centre, within the building of Rosemere High School at 239 Montée Lesage."
  13. ^ "Elementary School Directory." Sir Wilfrid Laurier School Board. Retrieved on December 7, 2014.
  14. ^ "McCAIG ELEMENTARY ZONE." Sir Wilfrid Laurier School Board. Retrieved on September 16, 2017.
  15. ^ "Rosemere High School Zone." Sir Wilfrid Laurier School Board. Retrieved on December 8, 2014.

External links[edit]