Spouse of the Prime Minister of Canada turn herself into a First Lady. Canada has had two prime ministers who were bachelors, William Lyon Mackenzie King and R.B. Bennett. Mackenzie Bowell, a widower whose wife, Harriet, died in 1884, was also not married during his term in office. Pierre Trudeau began his term as a bachelor, became the first Canadian prime minister to get married while in office and ended it as Canada's first divorced prime minister. Three other Canadian prime ministers—John A. Macdonald, Alexander Mackenzie, and John Diefenbaker—were widowers, who each married their second wives during their terms as prime minister. Macdonald's first wife was Isabella
Office of the Prime Minister (Canada) top office that controls the civil service and is expressly non-partisan. The PMO is concerned with making policy whereas the PCO is concerned with executing the policy decisions decided by the government. In Canada, the Office of the Prime Minister is widely referred to as the "Prime Minister's Office" and although the latter rendering of the name is completely unofficial, the office's English abbreviation is always given as "PMO" as opposed to "OPM". (In French, the PMO is known as "le Cabinet du Premier Ministre" and abbreviated as "CPM", or often literally translated as "le Bureau du Premier Ministre", abbreviated