The Prime Minister of Canada (French: Premier ministre du Canada) is the primary minister of the Crown, chairman of the Cabinet, and thus head of government for Canada, charged with advising the Canadian monarch or federal viceroy on the exercise of the executive powers vested in them by the constitution.till, Richard Bennett was in 1941, six years after he stepped down as prime minister, elevated to the peerage by King George VI as Viscount Bennett, of Mickleham in the County of Surrey and of Calgary and Hopewell in the Dominion of Canada.