Deputy Prime Minister of Canada of service of Allan J. MacEachen. Before then, Trudeau had given the title of "Senior Minister" to a member of his cabinet. The last to occupy that position was Paul Hellyer. Joe Clark's government did not have a deputy prime minister. Similarly, Prime Minister Stephen Harper did not designate a deputy prime minister, meaning Canada's most recent deputy prime minister was Anne McLellan, who in 2006, was also the first deputy prime minister to lose her seat in the House of Commons. Harper gave special status in the line of authority to members of his cabinet: under an order-in-council issued
Prime Minister of Canada Period, other members of parliament may address the prime minister as "The Right Honourable, Member for [prime minister's riding<nowiki>]</nowiki>" or simply "The Right Honourable Prime Minister". Former prime ministers retain the prefix "The Right Honourable" for the remainder of their lives; should they remain sitting MPs, they may be referred as "The Right Honourable Member for [member's riding<nowiki>]</nowiki>" or by their portfolio title (if appointed to one), as in "The Right Honourable Minister of National Defence". In the decades following Confederation, it was common practice to refer to the prime minister as "Premier of Canada", a custom that continued until