| 1920-21 | Fred Ketcheson | Toronto |
| 1921-22 | Louis Livingston | Windsor |
| 1922-23 | Ernest Linger | Hamilton (ID) |
| 1923-24 | Lt. Col. Graham | London |
| 1924-25 | Fred Avery | St Catharines |
| 1925-26 | Jack Arnott | Ottawa |
| 1926-27 | Alex Morrison | London |
| 1927-28 | William Glintz | Niagara Falls |
| 1928-29 | Jack Connell | Toronto (ID) |
| 1929-30 | Joe Sheedy | North Bay |
| 1930-31 | E.C. Thomas | London |
| 1931-32 | Fred Soper | Hamilton |
| 1932-33 | Ralph Sherpard | Windsor |
| 1933-34 | Thomas Wiley | St Catharines |
| 1934-35 | Osmond Howe | Ottawa |
| 1935-36 | Reid Murdock | Toronto (ID) |
| 1936-37 | Harry Lambert | Newmarket |
| 1937-38 | Leland “Pete” Peterson | Windsor |
District Governors A3 (1938-1950) |
| 1938-39 | John Brown | Bowmanville |
| 1939-40 | Charles Lennox | New Toronto (ID) |
| 1940-41 | Cliff Cotter | Ottawa |
| 1941-42 | George Bosnell | Toronto |
| 1941-42 | Charles Lennox | Toronto |
| 1942-43 | Emmons Crawford | Bowmanville |
| 1943-44 | Ernie Houghton | Toronto |
| 1944-45 | Dr. Kennth Rogers | Toronto |
| 1945-46 | Charles Carter | Bowmanville |
| 1946-47 | Dr. P.B. Rynard | Orillia |
| 1947-48 | Gordon Belyea | Toronto |
| 1948-49 | Stanley Darling | Peterborough |
| 1949-50 | Robert Little | Richmond Hill |
District Governors A7 (1950-2002) |
| 1950-51 | Fred S. Thompson | Newmarket |
| !951-52 | Richard Edmunds | Richmond Hill |
| 1952-53 | M. Bud Renner | North York Central |
| 1953-54 | William “Bill” Garner | Barrie |
| 1954-55 | Frank Stokvis | Pickering |
| 1955-56 | Carl Caskey | Weston |
| 1956-57 | Joseph J. Palmer | Etobicoke Kingsway |
| 1957-58 | John T. Bentham | Thornhill |
| 1958-59 | Elmer W. Grose | North York Central |
| 1959-60 | Andrew H. Snider | Maple |
| 1960-61 | William G. “Bill” Tredway | Toronto Central |
| 1961-62 | John O. “Jack” Filkin | York (ID) |
| 1962-63 | Earl G. Bagsley | Agincourt |
| 1963-64 | Dr. H. Hugh MacKay | Richmond Hill |
| 1964-65 | Ernest F. Crossland | Newmarket |
| 1965-66 | Jack M. Wieler | Leaside |
| 1966-67 | Vern Sebastian | North York Central |
| 1966-67 | Dr. William J. Copeman | Toronto Doctors |
| 1967-68 | Alfred M. Hill | Markham |
| 1968-69 | Art Chambers | Toronto North |
| 1969-70 | Gord Orr | King City |
| 1970-71 | John Wilson | York |
| 1971-72 | Lionel Purcell | Agincourt |
| 1972-73 | Howard P. Lowe | Etobicoke West |
| 1973-74 | John “Jack” Watt | Weston |
| 1974-75 | Al Mercury | Toronto Onyx |
| 1974-75@ | Raymond Kan | Toronto Hong Kong |
| 1975-76 | Al Tait | Etobicoke Queensway |
| 1976-77 | George Kadota | Etobicoke Kingsway |
| 1977-78 | C.A. “Sonny” Soehner | Etobicoke Queensway |
| 1978-79 | Jerry Belanger | North Central |
| 1979-80 | Robert B. Townsend | Toronto Central |
| 1980-81 | Robert Beames | Scarborough Central |
| 1981-82 | Bruce Carley | Lakeshore |
| 1982-83 | William “Bill” Henderson | Wishing Well |
| 1983-84 | Robert “Rob” Rice | Scarborough Bendale |
| 1984-85 | Charles “Chuck” Roberts | Thistletown |
| 1985-86 | Harvey Higgins | Thistletown |
| 1986-87 | Don Burlton | West Hill Highland Creek |
| 1987-88 | Jack W. Crosby | Thistletown |
| 1988-89 | Don Hardinge | Agincourt |
| 1989-90 | Dr. Kai Ming Kan | Toronto Cathay |
| 1990-91 | Steve(Tapani)Hyttinen | Toronto Cyberspace |
| 1991-92 | Arthur Veerasammy | Wishing Well |
| 1992-93 | Bert Jacobs | Forest Hill |
| 1993-94 | Peter Tsang | Toronto Hong Kong |
| 1994-95 | Raija Rosenthal | North York Trillium |
| 1995-96 | Teddy Boyce | Toronto Kaiteur |
| 1996-97 | Wayne Hoey | Weston |
| 1997-98 | Horst Kummerer | East York Danforth |
| 1998-99 | A.P. Sukhai | Toronto Kaiteur |
| 1999-00 | Walter Roberts | Forest Hill |
| 2000-01 | Jeanann Eddy | Etobicoke Queensway |
| 2001-02 | Brian Linton | Agincourt |
District Governors A1 (1938-39) |
| 1938-39 | Dr. F.M. Deans | Oakville |
District Governors A2 (1939-1964) |
| 1939-40 | Herbert Hall | Hamilton |
| 1940-41 | J.H. Sandham | Oakville |
| 1941-42 | J.H. Sandham | St. Catharines |
| 1942-43 | Kenneth Robertson | Brantford |
| 1943-44 | Walter Fisher | St. Catharines |
| 1944-45 | Louis Whittaker | Welland |
| 1945-46 | Clifford Hines | Ingersoll |
| 1946-47 | Reginal Everett | Port Credit |
| 1947-48 | William Phipps | Paris |
| 1948-49 | Dr. Smith | Grimsby |
| 1949-50 | John Farlow | Woodstock |
| 1950-51 | Mansell Ketchen | Credit Valley |
| 1951-52 | Colin Brown | Fort Erie |
| 1952-53 | William Taylor | St. George |
| 1953-54 | William Mott | Waterford |
| 1954-55 | Dr. Douglas Fleming | Dundas |
| 1955-56 | Claude Miller | Dunnville |
| 1956-57 | Robert Copper | Brampton |
| 1957-58 | @ Gordon Blight | Simcoe |
| 1958-59 | Russell Vickers | Burlington |
| 1959-60 | George Laughlan | St. Catharines |
| 1960-61 | Jack Vikary | Niagara Falls |
| 1961-62 | Harold Smith | Scotland |
| 1962-63 | Gordon Clipperton | Streetsville |
| 1963-64 | Maurie Stren | Brantford |
| 1964-65 | John Maytham | Port Dover |
District Governors A11 (1964-2002) |
| 1964-65 | Philip Waite | Brampton |
| 1965-66 | Harold McGrath | Burlington Central |
| 1966-67 | James Snow | Oakville |
| 1967-68 | Howard Stewart | Streetsville |
| 1968-69 | Alan Smith | Ancaster |
| 1969-70 | Ed Wiggins | transfer to A3 |
| 1970-71 | Ron Weir | transfer to A12 |
| 1971-72 | Fred Zorge | Georgetown |
| 1972-73 | Doug Walker | Burlington Nelson |
| 1972-73 | Dr. Dave Harper | Nobleton |
| 1973-74 | Russ Grafton | Brampton |
| 1974-75 | Duncan Sinclair | Oakville |
| 1975-76 | Rod MacDonald | Caledon |
| 1976-77 | Ted Sheehan | Dundas |
| 1977-78 | Bob Howes | Bramalea |
| 1978-79 | Ron Brown | |
| 1979-80 | Ron Lacey | Georgetown |
| 1980-81 | Les Yeates | Stoney Creek |
| 1981-82 | Alex Watson | Streetsville |
| 1982-83 | Cliff Ditchfield | Huttonville |
| 1983-84 | Jim Astles | Mississauga Meadowvale |
| 1984-85 | Gil Powers | Dundas |
| 1985-86 | Dan Boyle | Georgetown |
| 1986-87 | Kaare Soberg | Burlington Nelson |
| 1987-88 | Roger Lacroix | Bramalea |
| 1988-89 | Derek Bloomfield | Erin |
| 1989-90 | George Carpenter | Mississauga Central |
| 1990-91 | Russ Fedun | Mississauga Cawthra |
| 1991-92 | Don Stevely | Ancaster |
| 1992-93 | Bob Emond | Mississauga Credit Valley |
| 1993-94 | Lyle Brenzil | Blackheath Binbrook |
| 1994-95 | Armin Bruer | Mississauga Credit Valley |
| 1995-96 | Fred Zorge | Georgetown |
| 1996-97 | Wayne Chambers | Erindale Mississauga |
|
| 1997-98 | Arnie Flear | Nobleton |
| 1998-99 | Willard J. “Bill” Brown | Lethbridge |
| 1999-00 | Ray Johnson | Ancaster |
| 2000-01 | Tom Colton | Georgetown |
| 2001-02 | Len Coupland | Chinguacousy |
District Governors A711 (2002-Present) |
| 2002-03 | Howard Fines | Toronto Beaches |
| 2003-04 | Bill Dicks | Oakville Trafalgar |
| 2004-05 | Glenda Coupland | Chinguacousy |
| 2005-06 | Rolando M dela Cruz | Wishing Well |
| 2006-07 | Paul Baker | Scarborough Cedarbrae Golden Mile |
| 2007-08 | Jim Wilson | Georgetown |
| 2008-09 | Bill Allison | Oakville |
| 2009-10 | Mark Gunby | Mount Hope |
| 2010-11 | Bill Speck | Oakville |