Consequently, this set the precedent under which the colonial authorities in Canada began to curtail their interference in the internal matters of the Church, such as the appointment of bishops and the creation of new dioceses.
[3] On June 8, 1886, the diocese was elevated to the status of archdiocese by Pope Pius IX.
[5] Three archbishops – Paul-Émile Léger, Paul Grégoire, and Jean-Claude Turcotte – were elevated to the College of Cardinals.
[6] Lartigue, the first ordinary of the archdiocese, was also the first of seven bishops and archbishops of Montreal who were born in the city.
[3][A] Paul Bruchési had the longest tenure as Archbishop of Montreal, serving for 42 years (1897–1939),[7] while his immediate successor Georges Gauthier held the position for eleven months (1939–1940), marking the shortest episcopacy.