[3] It was established by the Pope John Paul II on August 27, 1982 on territory previously without Ordinary for the particular church sui iuris.
Most of the faithful Maronites of the eparchy arrived in Canada in major immigration periods, from present-day Lebanon, between 1860 and 1914, 1930 and 1960, 1970 to 1980 and 1989 to 1991.
The Maronites brought a rich culture to their new homeland and retained their religious affiliation in a traditionally Christian society which had become largely agnostic.
In 1985 was founded in the eparchy of Montréal the first Canadian Maronite monastery, Saint Anthony the Great on Ducharme Avenue in Outremont in Quebec, belonged to the OLM.
[4] His former superior, Father Louis Hage was awarded by the Commemorative Medal for the 125th anniversary of Canada's Confederation on 13 April 1993.