List of premiers of Ontario by time in office
Encyclopedia
This is a list of Premier of Ontario
in order of time served in office as Premier of Ontario as of . The preceding Premier always stays in office during an election campaign, and that time is included in the total. See also List of Ontario political parties by time in office.
The premier's office was vacant from September 26 to October 1, 1914 after James Whitney's death.
Premier of Ontario
The Premier of Ontario is the first Minister of the Crown for the Canadian province of Ontario. The Premier is appointed as the province's head of government by the Lieutenant Governor of Ontario, and presides over the Executive council, or Cabinet. The Executive Council Act The Premier of Ontario...
in order of time served in office as Premier of Ontario as of . The preceding Premier always stays in office during an election campaign, and that time is included in the total. See also List of Ontario political parties by time in office.
| Rank | Prime Minister | incumbency | mandates |
|---|---|---|---|
| Sir Oliver Mowat Oliver Mowat Sir Oliver Mowat, was a Canadian politician, and the third Premier of Ontario from 1872 to 1896, making him the longest serving premier of that province and the 3rd longest in all of Canadian history... |
6 | ||
| Bill Davis Bill Davis William Grenville "Bill" Davis, was the 18th Premier of Ontario, Canada, from 1971 to 1985. Davis was first elected as the MPP for Peel in the 1959 provincial election where he was a backbencher in Leslie Frost's government. Under John Robarts, he was a cabinet minister overseeing the education... |
4 | ||
| Leslie Frost Leslie Frost Leslie Miscampbell Frost, was a politician in Ontario, Canada, who served as the 16th Premier from May 4, 1949 to November 8, 1961. Due to his lengthy tenure, he gained the nickname "Old Man Ontario".-Early years:... |
3 | ||
| Sir James Whitney James Whitney Sir James Pliny Whitney, KCMG was a politician in the Canadian province of Ontario. Whitney was a lawyer in eastern Ontario, Conservative member for Dundas from 1888 to 1914, and the sixth Premier of Ontario from 1905 to 1914.- Early life :Whitney was born in Williamsburgh Township in 1843 and... |
4 | ||
| John Robarts John Robarts John Parmenter Robarts, PC, CC, QC was a Canadian lawyer and statesman, and the 17th Premier of Ontario.-Early life:... |
2 | ||
| Mitchell Hepburn Mitchell Hepburn Mitchell Frederick Hepburn was the 11th Premier of Ontario, Canada, from 1934 to 1942. He was the youngest Premier in Ontario history, appointed at age 37.... |
2 | ||
| Dalton McGuinty Dalton McGuinty Dalton James Patrick McGuinty, Jr., MPP is a Canadian lawyer, politician and, since October 23, 2003, the 24th and current Premier of the Canadian province of Ontario.... (incumbent) |
2 | ||
| Howard Ferguson Howard Ferguson George Howard Ferguson, PC was a Conservative politician and the ninth Premier of Ontario, Canada, from 1923 to 1930.-Background:He was the son of Charles Frederick Ferguson who served in the Canadian House of Commons... |
3 | ||
| Mike Harris Mike Harris Michael Deane "Mike" Harris was the 22nd Premier of Ontario from June 26, 1995 to April 15, 2002. He is most noted for the "Common Sense Revolution", his Progressive Conservative government's program of deficit reduction in combination with lower taxes and cuts to government... |
2 | ||
| George William Ross George William Ross Sir George William Ross was an educator and politician in Ontario, Canada. He was the fifth Premier of Ontario from 1899 to 1905.... |
1 | ||
| David Peterson David Peterson David Robert Peterson, PC, O.Ont was the 20th Premier of the Province of Ontario, Canada, from June 26, 1985 to October 1, 1990. He was the first Liberal premier of Ontario in 42 years.... |
2 | ||
| George Drew | 3 | ||
| Sir William Hearst William Hearst (politician) Sir William Howard Hearst, KCMG was the seventh Premier of the Canadian province of Ontario from 1914 to 1919.... |
0 | ||
| Bob Rae Bob Rae Robert Keith "Bob" Rae, PC, OC, OOnt, QC, MP is a Canadian politician. He is the Member of Parliament for Toronto Centre and interim leader of the Liberal Party of Canada.... |
1 | ||
| John Sandfield Macdonald John Sandfield Macdonald John Sandfield Macdonald, QC was the first Premier of the province of Ontario, one of the four founding provinces created at the confederation of Canada in 1867... |
1 | ||
| Ernest Drury | 1 | ||
| George Stewart Henry George Stewart Henry George Stewart Henry was a farmer, businessman and politician in Ontario, Canada.Born in Township of King, York County, Ontario, the son of William and Louisa Henry, Henry was educated at the public schools of Toronto, Upper Canada College and the University of Toronto where he received a B.A. and... |
0 | ||
| Arthur Hardy Arthur Sturgis Hardy Arthur Sturgis Hardy, QC was a lawyer and Liberal politician who served as the fourth Premier of Ontario, Canada, from 1896 to 1899. On January 19, 1870 he married Mary Morrison, daughter of Judge Joseph Curran Morrison.Hardy attended school at the Rockwood Academy in Rockwood, Ontario... |
1 | ||
| Ernie Eves Ernie Eves Ernest Lawrence "Ernie" Eves was the 23rd Premier of the province of Ontario, Canada, from April 15, 2002, to October 23, 2003.-Beginnings:... |
0 | ||
| Edward Blake Edward Blake Dominick Edward Blake, PC, QC , known as Edward Blake, was the second Premier of Ontario, Canada, from 1871 to 1872 and leader of the Liberal Party of Canada from 1880 to 1887... |
days | 1 | |
| Gordon Conant Gordon Daniel Conant Gordon Daniel Conant, KC was a Canadian lawyer, politician, and the 12th Premier of Ontario.-Early life:... |
days | 0 | |
| Thomas Kennedy Thomas Laird Kennedy Thomas Laird Kennedy was a politician in Ontario, Canada and served briefly as the 15th Premier of Ontario. He was first elected as the Conservative member for Peel in the 1919 provincial election... |
days | 0 | |
| Frank Miller Frank Miller (politician) Frank Stuart Miller, was a Canadian politician, who served as the 19th Premier of Ontario for four months in 1985.-Early life and political career:... |
days | 0 | |
| Harry Nixon Harry Nixon Harry Corwin Nixon was a Canadian politician and briefly the 13th Premier of Ontario.He was born on a farm near St... |
days | 0 |
The premier's office was vacant from September 26 to October 1, 1914 after James Whitney's death.
| Colour Key | ||||
|---|---|---|---|---|
| Progressive Conservative Party of Ontario Progressive Conservative Party of Ontario The Progressive Conservative Party of Ontario , is a right-of-centre political party in Ontario, Canada. The party was known for many years as "Ontario's natural governing party." It has ruled the province for 80 of the years since Confederation, including an uninterrupted run from 1943 to 1985... |
United Farmers of Ontario United Farmers of Ontario The United Farmers of Ontario was a political party in Ontario, Canada. It was the Ontario provincial branch of the United Farmers movement of the early part of the 20th century.- Foundation and rise :... |
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| Ontario Liberal Party Ontario Liberal Party The Ontario Liberal Party is a provincial political party in the province of Ontario, Canada. It has formed the Government of Ontario since the provincial election of 2003. The party is ideologically aligned with the Liberal Party of Canada but the two parties are organizationally independent and... |
Ontario New Democratic Party Ontario New Democratic Party The Ontario New Democratic Party or , formally known as New Democratic Party of Ontario, is a social democratic political party in Ontario, Canada. It is a provincial section of the federal New Democratic Party. It was formed in October 1961, a few months after the federal party. The ONDP had its... |
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