The eastern end of the Island of Montreal was the city's only solidly sovereigntist area and was the Bloc Québécois's power base for almost two decades, partly due to its leftist bent.
One of his sons is the Canadian politician and sovereigntist Gilles Duceppe, a supporter of the independence of Quebec from Canada and the former leader of the Bloc Québécois.
During the 1995 Quebec referendum on sovereignty, Boudreau undertook a tour to encourage women to support the sovereigntist option.
Upon the 2004 cancer death of Claude Ryan, a former provincial Liberal leader and minister who had led the "No" side in the 1980 Quebec referendum on sovereignty, Falardeau published a harsh critique in lieu of a eulogy in the sovereigntist journal Le Québécois.
Many leaders in the movement, notably René Lévesque, have preferred the terms sovereignty and sovereigntist over other common names such as separatist or independentist, although this terminology may be objected to by opponents.