William Lyon Mackenzie King 1874-1950
While attending the University of Toronto and reporting for Toronto newspapers, William Lyon Mackenzie King lived here with his parents John King and Isabel Mackenzie, from 1893 to 1896. He then left to continue his education in Chicago and at Harvard. Grandson of William Lyon Mackenzie, the first mayor of Toronto and rebel leader of 1837, King became Deputy Minister of Labour in Ottawa in 1900. Elected to Parliament in 1908, he was appointed Minister of Labour and was Prime Minster of Canada, 1921-1926, 1926-1930 and 1935-1948.
Plaque via Alan L. Brown's site Toronto Plaques. Full page here.