Saint-Viateur d'Outremont Church was built in 1911 in the wake of the 1910 Eucharistic Congress of Montreal. It was built in what was then the first parish of Outremont. This church marked the separation from the neighboring parish of Saint-Louis du Mile-End.
The ceremony of the blessing of Saint-Viateur d'Outremont Church, was held October 26, 1913.
The woodwork is oak, the work of Philibert Lemay, and the original statues were made of plaster. In 1950, the sculptor Médard Bourgault was invited to replace them with wooden statues that now represent one of the attractions of this church.
The organ of Saint-Viateur was built in 1913 by Casavant Frères. Its restoration was conducted in the early 1990s.