What the architecture of Montreal’s Notre-Dame Basilica owes to Paris
Due to certain characteristics, there may sometimes be confusion between the Notre-Dame of Montreal and Notre-Dame of Paris monuments: beyond their similar names, is the Montreal building partly a replica of its famous Parisian cousin?
Published on Sep 26th 2025 | Updated on Oct 22nd 2025 2 min read.
In reality, Montreal’s Notre-Dame Basilica was never intended to be a copy of Paris’ Notre-Dame Cathedral. While they share a Catholic heritage and a certain taste for Gothic verticality, their direct links are more distant.
At first glance, the confusion is understandable. The two towers, the gray stone, the stained-glass windows... all these features are reminiscent of the Parisian cathedral, but that's where the similarities end. The Notre-Dame Basilica of Montreal, built between 1824 and 1829, is an original creation designed by Irish architect James O'Donnell, with a very distinctive neo-Gothic style typical of the architectural revival of the 19th century. It is therefore not a replica, but a North American interpretation of European Gothic architecture, adapted to its time, its place, and its congregation.
Inspired by a different work of art
What few people know, however, is that the spectacular interior of Montreal’s Basilica, with its carved wood, deep colours, and luminous stained-glass windows, was inspired more by Paris’ Sainte-Chapelle than by the Notre-Dame Cathedral. The Sainte-Chapelle, built in the 13th century, is a jewel of slenderness and light. Neither massive nor imposing like the Notre-Dame Cathedral, it nonetheless offers a delicate building bathed in colour, thanks to the stained-glass windows covering the near-entirety of its walls.
It is precisely this atmosphere, this combination of the sacred and the spectacular, that can be found in the nave of Montreal’s Notre-Dame Basilica. The starry vaults, deep blue walls, gilding, and play of light and shadows: everything seems designed to lift the gaze and the spirit, as in the Sainte-Chapelle in Paris. It is not a copy, but rather a discreet inspiration, integrated into a different architectural project designed in Quebec.
A local architectural approach
Thus, the Notre-Dame Basilica of Montreal did not seek to compete in any way with the Notre-Dame Cathedral of Paris, nor to echo it. It is part of a different story, on a different continent, with its own aspirations and its own architectural language, marked as much by the delicate influence of the European Sainte-Chapelle as by the North American imagination of the 19th century.
It is this combination of heritage, inspiration, and originality that makes Montreal’s Notre-Dame Basilica a special place, one that is deeply rooted and unique.

