From Wikipedia:

Freemasonry in Canada traces its origins to the United Grand Lodge of England, the Grand Lodge of Scotland and the Grand Lodge of Ireland, as a result of Canada's history as a dominion within the British Empire At the time of confederation in 1867, eleven men of the 37 Fathers of Confederation were Freemasons. [3]

 Hewitt Bernard - Lawyer, Recording Secretary at the Charlottetown Conference  Sir Alexander Campbell - Senator (1867-1887), Lieutenant Governor of Ontario (1897-1892)  Frederick Carter - First Premier of Newfoundland  Edward Barron Chandler - Lieutenant Governor of New Brunswick (1878-1880)  Alexander Tilloch Galt - Minister of Finance (1867), Founder of the North Western Coal and Navigation Company and Lethbridge, AB  John Hamilton Gray - Premier of New Brunswick (1856-1857)  Thomas Heath Haviland - Senator (1873-1879), Lieutenant Governor of Prince Edward Island (1879-1884)  William Alexander Henry - Mayor of Halifax (1870-1871), Supreme Court Justice (1875-1888)  Sir John A. Macdonald [4] - First Prime Minister (1867-1873, 1878-1891)  William Henry Pope - Lawyer, Newspaper Editor, Colonial Secretary  Samuel Leonard Tilley - Pharmacist, Premier of New Brunswick (1861-1865), Lieutenant Governor of New Brunswick (1885-1893 and 1873-1878), Originator of "Dominion" in Canada's name

Other Notable Canadian Masons

 Sir John Abbott - Prime Minister (1891-1892)  Harold Alexander, 1st Earl Alexander of Tunis - Governor General of Canada (1946-1952)  Sir Allan Bristol Aylesworth  Harold Ballard - Businessman and Sportsman  Richard Bedford Bennett - Prime Minister (1930-1935)  Sir Robert Laird Borden - Prime Minister (1911-1920)  Sir MacKenzie Bowell - Prime Minister (1894-1896)  Samuel Bronfman - Businessman and Philanthropist  Captain Arthur Roy Brown  Robert Butchart  Henry Cockshutt - Lieutenant Governor of Ontario (1921-1927)  Francis Michael “King” Clancy  Charles William "The Big Bomber" Conacher, Sr.  Sir Arthur William Currie - Inspector-General of the Canadian Army and vice-chancellor of McGill University  William Grenville "Bill" Davis  John George Diefenbaker - Prime Minister (1957-1963)  John Diefenbaker [5]  Thomas C. Douglas - Premier of Saskatchewan (1944-1961), Leader of New Democratic Party (1961-1971), father of Universal Healthcare, voted as The Greatest Canadian  George Alexander Drew - Premier of Ontario (1943-1948)  Alexander Roberts Dunn [6] - Soldier, awarded the Victoria Cross  Kenneth Jewell Colpoys Dunstan  John David Eaton - Businessman, Member of the Eaton family  Ezra Butler Eddy - Businessman, Mayor of Hull, Quebec, Member of Legislative Assembly of Quebec  George Howard Ferguson - Premier of Ontario (1923-1930)  Donald Methuen Fleming - Minister of Finance (1957-1962), Minister of Justice and Attorney General (1962-1963)  Sir Sandford Fleming - Engineer, Inventor, Founding member of the Royal Society of Canada, Founder of the Canadian Institute, Inventor of Worldwide Time Zones  Gwyllyn Samuel Newton "Glenn" Ford  Leslie Miscampbell Frost - Premier of Ontario (1949-1961)  Jake Gaudaur, Jr.  Mitchell Frederick Hepburn - Youngest Premier of Ontario (1934-1942) at age 37  Tim Horton [7] - Hockey Player, Co-founder of Tim Hortons  Alexander Keith - Mayor of Halifax (1853-1853), President of Legislative Council of Nova Scotia (1867-1873), Founder of Alexander Keith's Brewery  James Kirkpatrick Kerr - Lawyer, Senator (1903-1916), Speaker of the Senate (1909-1911)  Frederick Kingston - Bishop of Diocese of Algoma (1939-1944), Primate of the Anglican Church of Canada (1947-1949)  Henry Asbjorn Larsen  Atholl Layton  Herbert Allan Borden Leal  John Ross Matheson - Lawyer, Judge, MP for Leeds (1961-1968), Helped develop the maple leaf flag and the Order of Canada.  Wilfrid Reid "Wop" May  John Bayne Maclean [8] - Publisher, Founder of Maclean's magazine, the Financial Post and the Maclean Publishing Company  Lt. Col. John Keiller McKay  Colonel Samuel McLaughlin - Businessman, Philanthropist, Founder of the McLaughlin Motor Car Company  John Molson - Businessman, Founder of Molson Brewery  Sir William Mulock - (Acting) Lieutenant Governor of Ontario (1931–1932), Postmaster General (1896-1905)  Dr. James Naismith - Inventor of Basketball  Sir William Dillon Otter  Most Rev. Derwyn Trevor Owen [9] - Bishop of Niagara (1925-1932), Bishop of Toronto (1932- 1934), Primate of the Anglican Church of Canada (1934-1947)  Nathan Phillips - Mayor of Toronto (1955-1962)  The Hon. Dana H. Porter  William "Billy" John Potts  Dr. General George Ansel Sterling Ryerson  Joseph Seagram - Founder of Seagram Distilleries  Robert William Service - Writer, Author of Poems The Shooting of Dan McGrew and The Cremation of Sam McGee  Dr. Edward Earle Shouldice  John Graves Simcoe - British Army general, Founder of York (Toronto), Introduced English common law, First Lieutenant Governor of Upper Canada (1791-1796)  Gordon Sinclair - Journalist, Writer, Commentator, Known for The Americans  Joseph Roberts "Joey" Smallwood  Lord Frederick Arthur Stanley, 16th Earl of Derby - Governor General of Canada (1888-1893), Namesake for the Stanley Cup  Major General Sir Samuel Benfield Steele  Frederick Wellington "Cyclone" Taylor - Hockey Player  Chief Tecumseh Brown-Eagle  Roy Thomson of Fleet  Roy Thomson, 1st Baron Thomson of Fleet - Newspaper Proprietor, Fleet Street Mogul, Namesake for Roy Thomson Hall, Appointed Knight Grand Cross of the Order of the British Empire  Kivas Tully - Chief Provincial Architect for Ontario (1868–1896), Imperial Service Order Recipient  Angus James Walters  General James Wolfe  Clarendon Worrell [10] - Bishop of Nova Scotia (1904-1915), Primate of the Anglican Church of Canada (1932-1934)