Global political history

Global political history from 3000 BC to the 21st century – political leaders, elections, and more.

Ontario – Past Constituencies

List of constituencies:

Brantford | Brantford City | Eglinton | Essex North | Grey—Bruce | Grey East | Monck | Ontario West | Ottawa (City of) | Ottawa West | Renfrew North | Stormont | Welland—St. Catharines—Thorold | Wentworth North | Wentworth South.

Ajax—Pickering.

Carleton—Mississippi Mills.

Essex West.

Frontenac.

Grenville—Carleton.

Lanark—Frontenac—Lennox and Addington | Lincoln.

Nepean—Carleton | Northumberland West.

Stoney Creek.

York—Simcoe.


Ajax—Pickering

Member of the Parliament of Canada for Ajax—Pickering
Mark Holland

Date of birth/date of death: b. October 16 1974.

References:

[1] Library of Parliament, “Profile – Holland, Mark,” ParlInfo, accessed April 12, 2026, https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=6440.

Liberal Party of Canada

June 28 2004 – May 2 2011

Christopher A. “Chris” Alexander

Date of birth/date of death: b. September 9 1968.

Conservative Party of Canada

2011 – 2015


Brantford

Member of the Parliament of Canada for Brantford
William Ross Macdonald

Date of birth/date of death: b. December 25 1891; d. May 28 1976.

Liberal Party of Canada

1935 – 1949


Brantford City

Member of the Parliament of Canada for Brantford City
William Ross Macdonald

Date of birth/date of death: b. December 25 1891; d. May 28 1976.

Liberal Party of Canada

1949 – 1953


Carleton—Mississippi Mills

Member of the Parliament of Canada for Carleton—Lanark
Paul Wyatt Dick

Date of birth/date of death: b. October 27 1940; d. May 2 2018.

Progressive Conservative Party of Canada

1988 – 1993

Scott Jeffrey Reid

Date of birth/date of death: b. January 25 1964.

References:

[1] Library of Parliament, “Profile – Reid, Scott,” ParlInfo, accessed April 14, 2026, https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=7259.

Canadian Reform Conservative Alliance (2000 – 2003); Conservative Party of Canada (2003 – 2004)

November 27 2000 – June 28 2004


Member of the Parliament of Canada for Carleton—Mississippi Mills
Gordon James O’Connor

Date of birth/date of death: b. May 18 1939.

Conservative Party of Canada

2004 – 2015


Eglinton

Member of the Parliament of Canada for Eglinton
Donald Methuen Fleming

Date of birth/date of death: b. May 23 1905; d. December 31 1986.

Progressive Conservative Party of Canada

1945 – 1963

Mitchell William Sharp

Date of birth/date of death: b. May 11 1911; d. March 19 2004.

References:

[1] Library of Parliament, “Profile – Sharp, Mitchell William,” ParlInfo, accessed April 7, 2026, https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=15088.

Liberal Party of Canada

April 8 1963 – May 1 1978


Essex North

Member of the Parliament of Canada for Essex North
William McGregor

Date of birth/date of death: b. June 24 1836; d. May 14 1903.

Liberal Party of Canada

1891 – 1900

Robert Franklin Sutherland

Date of birth/date of death: b. April 5 1859; d. May 23 1922.

Liberal Party of Canada

1900 – 1909


Essex West

Member of the Parliament of Canada for Essex West
Herbert Eser “Herb” Gray

Date of birth/date of death: b. May 25 1931; d. April 21 2014.

References:

[1] Library of Parliament, “Profile – Gray, Herbert Eser (Herb),” ParlInfo, accessed April 7, 2026, https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=14023.

Liberal Party of Canada

June 18 1962 – June 24 1968


Frontenac

Member of the Parliament of Canada for Frontenac
George Airey Kirkpatrick

Date of birth/date of death: b. September 13 1841; d. December 13 1899.

Conservative Party of Canada

1870 – 1892

John Wesley Edwards

Date of birth/date of death: b. May 25 1865; d. April 18 1929.

Conservative Party of Canada

1908 – 1921


Grenville—Carleton

Member of the Parliament of Canada for Grenville—Carleton
Duncan Gordon Blair

Date of birth/date of death: b. December 23 1919; d. June 14 2006.

Liberal Party of Canada

1968 – 1972

Walter David Baker

Date of birth/date of death: b. August 22 1930; d. November 13 1983.

References:

[1] Library of Parliament, “Profile – Baker, Walter David,” ParlInfo, accessed April 7, 2026, https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=11581.

Progressive Conservative Party of Canada

October 30 1972 – May 21 1979


Grey—Bruce

Member of the Parliament of Canada for Grey—Bruce
Agnes Campbell Macphail

Date of birth/date of death: b. March 24 1890; d. February 13 1954.

United Farmers of Ontario – Labour

1935 – 1940

Walter Edward Harris

Date of birth/date of death: b. January 14 1904; d. January 10 1999.

References:

[1] Library of Parliament, “Profile – Harris, Walter Edward,” ParlInfo, accessed April 7, 2026, https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=12513.

Liberal Party of Canada

March 26 1940 – June 9 1957


Grey East

Member of the Parliament of Canada for Grey East
Thomas Simpson Sproule

Date of birth/date of death: b. October 25 1843; d. November 10 1917.

Conservative Party of Canada

1878 – 1915


Lanark—Frontenac—Lennox and Addington

Member of the Parliament of Canada for Lanark—Frontenac—Lennox and Addington
Scott Jeffrey Reid

Date of birth/date of death: b. January 25 1964.

References:

[1] Library of Parliament, “Profile – Reid, Scott,” ParlInfo, accessed April 14, 2026, https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=7259.

Conservative Party of Canada

June 28 2004 – October 18 2015


Lincoln

Member of the Parliament of Canada for Lincoln
Bryce Stuart Mackasey

Date of birth/date of death: b. August 25 1921; d. September 5 1999.

Liberal Party of Canada

1980 – 1984

Tony Valeri

Date of birth/date of death: b. August 11 1957.

References:

[1] Library of Parliament, “Profile – Valeri, Tony,” ParlInfo, accessed April 7, 2026, https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=12975.

Liberal Party of Canada

October 25 1993 – June 1 1997


Monck

Member of the Parliament of Canada for Monck
James David Edgar

Date of birth/date of death: b. August 10 1841; d. July 31 1899.

Liberal Party of Canada

1872 – 1874


Nepean—Carleton

Member of the Parliament of Canada for Nepean—Carleton
Walter David Baker

Date of birth/date of death: b. August 22 1930; d. November 13 1983.

References:

[1] Library of Parliament, “Profile – Baker, Walter David,” ParlInfo, accessed April 7, 2026, https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=11581.

Progressive Conservative Party of Canada

May 22 1979 – November 13 1983

William “Bill” Tupper

Date of birth/date of death: b. October 7 1933.

Progressive Conservative Party of Canada

1984 – 1988

David Pratt

Date of birth/date of death: b. January 3 1955.

Liberal Party of Canada

1997 – 2004

Pierre Marcel Poilievre

Date of birth/date of death: b. June 3 1979.

Conservative Party of Canada

2004 – 2015


Northumberland West

Member of the Parliament of Canada for Northumberland West
James W. Cockburn

Date of birth/date of death: b. February 13 1819; d. August 14 1883.

Conservative Party of Canada

1867 – 1874

James W. Cockburn

Date of birth/date of death: b. February 13 1819; d. August 14 1883.

Conservative Party of Canada

1878 – 1881


Ontario West

Member of the Parliament of Canada for Ontario West
Sir James David Edgar

Date of birth/date of death: b. August 10 1841; d. July 31 1899.

Liberal Party of Canada

1884 – 1899


Ottawa (City of)

Member of the Parliament of Canada for Ottawa (City of)
Napoléon Antoine Belcourt

Date of birth/date of death: b. September 15 1860; d. August 7 1932.

Liberal Party of Canada

1896 – 1907

Sir Henri Charles Wilfrid Laurier

Date of birth/date of death: b. November 20 1841; d. February 17 1919

Liberal Party of Canada

1908 – 1910

Thomas Franklin “Frank” Ahearn

Date of birth/date of death: b. May 10 1886; d. November 7 1962.

Liberal Party of Canada

1930 – 1935


Ottawa West

Member of the Parliament of Canada for Ottawa West
Thomas Franklin “Frank” Ahearn

Date of birth/date of death: b. May 10 1886; d. November 7 1962.

Liberal Party of Canada

1935 – 1940

George James McIlraith

Date of birth/date of death: b. July 29 1908; d. August 19 1992.

References:

[1] Library of Parliament, “Profile – McIlraith, George James,” ParlInfo, accessed April 7, 2026, https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=11289.

Liberal Party of Canada

March 26 1940 – June 24 1968

Cyril Lloyd Francis

Date of birth/date of death: b. March 19 1920; d. January 20 2007.

Liberal Party of Canada

1968 – 1972

Cyril Lloyd Francis

Date of birth/date of death: b. March 19 1920; d. January 20 2007.

Liberal Party of Canada

1974 – 1979

Cyril Lloyd Francis

Date of birth/date of death: b. March 19 1920; d. January 20 2007.

Liberal Party of Canada

1980 – 1984


Renfrew North

Member of the Parliament of Canada for Renfrew North
Sir Francis Hincks

Date of birth/date of death: b. December 14 1807; d. August 18 1885.

Conservative Party of Canada

1869 – 1872

Peter White

Date of birth/date of death: b. August 30 1838; d. May 3 1906.

Conservative Party of Canada

1874

Peter White

Date of birth/date of death: b. August 30 1838; d. May 3 1906.

Conservative Party of Canada

1876 – 1896

Peter White

Date of birth/date of death: b. August 30 1838; d. May 3 1906.

Conservative Party of Canada

1904 – 1906


Stoney Creek

Member of the Parliament of Canada for Stoney Creek
Tony Valeri

Date of birth/date of death: b. August 11 1957.

References:

[1] Library of Parliament, “Profile – Valeri, Tony,” ParlInfo, accessed April 7, 2026, https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=12975.

Liberal Party of Canada

June 2 1997 – June 27 2004


Stormont

Member of the Parliament of Canada for Stormont
Lionel Chevrier

Date of birth/date of death: b. April 2 1903; d. July 8 1987.

Liberal Party of Canada

1935 – 1954

Lucien Lamoureux

Date of birth/date of death: b. August 3 1920; d. July 16 1998.

Liberal Party of Canada

1962 – 1968


Welland—St. Catharines—Thorold

Member of the Parliament of Canada for Welland—St. Catharines—Thorold
Gilbert Parent

Date of birth/date of death: b. July 25 1935; d. March 3 2009.

Liberal Party of Canada

1988 – 1997


Wentworth North

Member of the Parliament of Canada for Wentworth North
Thomas Bain

Date of birth/date of death: b. December 14 1834; d. January 18 1915.

Liberal Party of Canada

1872 – 1896


Wentworth South

Member of the Parliament of Canada for Wentworth South
Thomas Bain

Date of birth/date of death: b. December 14 1834; d. January 18 1915.

Liberal Party of Canada

1896 – 1900


York—Simcoe

Member of the Parliament of Canada for York—Simcoe
Sinclair McKnight Stevens

Date of birth/date of death: b. February 11 1927; d. November 30 2016.

Progressive Conservative Party of Canada

1972 – 1979

Peter Leo Van Loan

Date of birth/date of death: b. April 18 1963.

References:

[1] Library of Parliament, “Profile – Van Loan, Peter,” ParlInfo, accessed April 11, 2026, https://lop.parl.ca/sites/ParlInfo/default/en_CA/People/Profile?personId=12507.

Conservative Party of Canada

June 28 2004 – September 30 2018