In 1853 , the Gavazzi Riots left 10 dead in Quebec in the wake of Catholic Irish protests against Anti-catholic speeches by ex-monk Alessandro Gavazzi . The most influential newspaper in Canada , '' The Globe '' of Toronto , was edited by George Brown , a Presbyterian immigrant from Ireland who ridiculed and denounced the Catholic Church , Jesuits , priests , nunneries , etc . Irish Protestants remained a political force until the 20th century . Many belonged to the Orange Order , an anti-Catholic organization with chapters across Canada that was most powerful during the late 19th century
Gavazzi Riots
Gavazzi Riots
Anti-Catholicism