21st Lieutenant Governor of Ontario
July 4, 1968 to April 10, 1974

Born in Toronto in 1891, Macdonald studied Law at the University of Toronto and Osgoode Hall. He practised law in Brantford, and served with the Canadian Expeditionary Force from 1914 to 1918. In 1921, he married Muriel Whittaker. Macdonald was an MP from 1935 to 1953, and served as a minister without portfolio, Solicitor General, Deputy Speaker of the House, and later as Speaker of the House of Commons. He became a Senator in 1953, and served as Government Leader in the Senate. Macdonald served as Lieutenant Governor of Ontario from 1968 to 1974. He was involved with many service groups, such as the Canadian Order of Foresters and the Kiwanis Club. He died in Toronto in 1976.​​​