 The church was less successful in dealing with tensions between the French and the Irish Catholic clergy; eventually the Irish took control.Irish Catholics arriving in Toronto faced widespread intolerance and severe discrimination, both social and legislative, leading to several large scale riots between Catholics and Protestants from 1858–1878, culminating in the Jubilee Riots of 1875.The Irish population essentially defined the Catholic population in Toronto until 1890, when German and French Catholics were welcomed to the city by the Irish, but the Irish proportion still remained 90% of the Catholic population.