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Petite école jaunePetite école jaune · Photo: Hadrianopolis · CC BY-SA 3.0
7historic places on the registers
History of Deux-Montagnes · Canada’s heritage registers

Deux-Montagnes’s past, on the record: 7 historic places

Few towns have as much for their size as Deux-Montagnes: 3.8 for every 10,000 residents, more than 92% of Canadian towns. Maison Berthelet, begun in 1820, is the oldest by its record. Counted by designation, there are 7 municipal citations.

6photos1820oldest building
Historic places
7
3.8 per 10,000 residents
Highest designations
0
National Historic Sites, classified federal buildings and Québec’s classements
Provincial and local listings
7
municipal citations on Québec’s register
Oldest building
1820
the first construction date on its record
Homes built before 1961
21%
typical town: 18%
In pictures

Look around Deux-Montagnes: 6 photos

You can start with Petite école jaune and Maison Baudouin. Each of Deux-Montagnes’s designated places has a photo.

Maison BaudouinMaison BaudouinMaison BélairMaison BélairHôtel de ville de Deux-MontagnesHôtel de ville de Deux-MontagnesMaison BertheletMaison BertheletMaison DumoulinMaison Dumoulin+1See all photos

Photos from Wikimedia Commons, each credited to its photographer with its licence; names open the place’s page. Tap a photo to step through them full screen.

How it began

1921 and after: Deux-Montagnes’s milestones

A single date stands for Deux-Montagnes as a municipality on Wikidata, August 18, 1921, and it may be an incorporation rather than a founding. The name Saint-Eustache sur le Lac lasted until 1963, when Deux-Montagnes took another. Its oldest recorded station, Grand-Moulin, dates from 1925.

How it began: Wikidata (CC0).

The map

Where Deux-Montagnes’s history is

Every place on the registers inside the town, by its designation.

Hôtel de ville de Deux-Montagnes · Cited heritage site (Québec) · 1931Maison Baudouin · Cited heritage site (Québec) · 1900Maison Bélair · Cited heritage site (Québec) · 1915Maison Berthelet · Cited heritage site (Québec) · 1820–1850Maison Dumoulin · Cited heritage site (Québec) · 1830Petite école jaune · Municipal citation (Québec) · 1937Petite-École-Jaune patrimonial site · Cited heritage site (Québec) · 1937
Provincial and local listings

Each dot is a place: point at it for the name, tap it for its page.

The 7, by tier
7 Provincial and local listings

Two open registers meet here: Parks Canada’s Directory of Federal Heritage Designations and Québec’s heritage register, which records both provincial classements and municipal citations.

Points from Wikidata (Parks Canada’s files carry none) and from Québec’s register, as mapped there.

What’s designated

57% of Deux-Montagnes’s historic places are houses

Compared with the whole country’s registers (11%), public buildings are well represented: 43%. Leading by designation: Petite école jaune and Maison Berthelet.

Houses4
Public buildings3

Each place sits in one group, from its name first, then the uses its register lists.

Provincial and local listings

On provincial and local lists in Deux-Montagnes: 7 places

Designations came from 1998 to 2005. Citations the municipality has made, registered with Québec’s ministry of culture. They date from 1820 (Maison Berthelet) to 1937. Each one opens its own page.

How old

For Deux-Montagnes, most dated places belong to the wars and the Depression

Each place by the first construction date on its record.

British North America 1760–18662
After Confederation 1867–19131
Wars and Depression 1914–19454
Since 1946 1946 on0

Of the 7 with a date, 2 predate 1867.

Homes by age

Deux-Montagnes’s building boom came from 1981 to 2000: 39% of its homes

New building in Deux-Montagnes runs at the usual pace: 5.1% of homes from 2016–21, the typical town 4.1%. Before 1961: 21% of Deux-Montagnes’s homes, near the usual 18%. More than half of Deux-Montagnes’s housing predates 2001.

21%
Before 1961
22%
1961–80
39%
1981–2000
14%
2001–15
5.1%
2016–21
Deux-MontagnesTypical town

2021 Census, private dwellings by period of construction (Statistics Canada); the typical town is the middle Canadian town of 2,500 or more.

Towns its size

Deux-Montagnes has the most of 16 towns its size

Towns of 18,300 to 18,700 residents, by places on the registers.

Deux-Montagnes7
Port Hope4
Kensington-Chinatown3
Oak Bay3
Desmarchais-Crawford2
Bracebridge1
Parc-Laurier1
Auburn Bay0
Collingwood0
Dewdney East0
Eringate-Centennial-West Deane0
Fletchers West0

The typical town its size has 0. For 9, the registers list nothing.

Neighbours

Deux-Montagnes and its neighbours

TownPeoplePlacesHighestOldest
Deux-Montagnes18,516701820
Laval-Ouest11,03400—
Saint-Eustache47,562841762
Sainte-Marthe-sur-le-Lac21,94900—
L'Île-Bizard–Sainte-Geneviève18,8851221790
Fabreville48,45700—
Sainte-Dorothée38,18300—
In brief

Deux-Montagnes in brief

Deux-Montagnes’s homes from before 1961 come to 21%, against 18% in the typical town. In all there are 7 historic places. It tops the 16 towns nearest its size for historic places. the wars and the Depression account for 4 of the 7 dated places. The other figures are unremarkable: Rodolphe Desrivières (1812) is its person of the past on the record; and its places were designated between 1998 and 2005.

How to read these numbers

What this data can and can’t tell you

  • The federal register. Parks Canada’s Directory of Federal Heritage Designations lists every National Historic Site, federal heritage building, heritage railway station and lighthouse; the Canadian Register of Historic Places adds their statements in English and French.
  • The grade. History isn’t one of Canada’s graded pillars, so this page describes and compares without a letter.
  • Québec’s register. In Québec the ministry of culture publishes its register openly: provincial classements, declared sites and the municipalities’ citations all appear, with their descriptions.
  • Protection. Québec’s classements and citations carry legal protection: work on a classified building needs the minister’s authorization, on a cited one the municipality’s. Federal designations commemorate.
  • The tiers. National Historic Sites and the most protected buildings form the top tier; recognized federal buildings, stations and lighthouses the second; provincial and municipal listings the third.
  • People and events. The open directory puts its national historic persons nowhere, so a town shows one only on firm ground: a birth there, matched by name and life years, or a historic place there named for the person whose record says so. Events are left out.

Questions about Deux-Montagnes’s history

How many historic places does Deux-Montagnes have on the registers?

7 historic places in Deux-Montagnes, from Canada’s heritage registers.

What is the oldest building in Deux-Montagnes?

By its record, Maison Berthelet, from 1820 (Cited heritage site (Québec)).

How old are the homes in Deux-Montagnes?

21% of its homes were built before 1961, against 18% in the typical Canadian town.

Contains information licensed under the Open Government Licence – Canada (Parks Canada). Québec register data: Ministère de la Culture et des Communications du Québec, CC BY 4.0.

Sources: Parks Canada, Directory of Federal Heritage Designations · Canadian Register of Historic Places (federal extract) · Répertoire du patrimoine culturel du Québec (MCC, Données Québec) · Wikidata (CC0) for map points, other names and articles · Statistics Canada, 2021 Census (homes by period of construction). Under the Statistics Canada Open Licence.

Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).