The Robarts Ministry was the combined cabinet (formally the Executive Council of Ontario) that governed Ontario from November 8, 1961, to March 1, 1971. It was led by the 17th Premier of Ontario, John Robarts. The ministry was made up of members of the Progressive Conservative Party of Ontario, which commanded a majority of the seats in the Legislative Assembly of Ontario throughout its duration.
The ministry replaced the Frost ministry following the resignation of Premier Leslie Frost and the 1961 PC leadership convention. The Robarts ministry governed through the second half of the 26th Parliament of Ontario, the entirety of the 27th Parliament of Ontario, and most of the 28th Parliament of Ontario.
Robarts resigned in 1971 and was succeeded as Premier of Ontario by Bill Davis.
List of ministers +Robarts ministry by portfolioPortfolioMinisterTenureStartEnd Premier of Ontario John Robarts November 8, 1961 March 1, 1971Chair of the Treasury Board James Allan December 15, 1961 November 24, 1966 Charles MacNaughton November 24, 1966 March 1, 1971 Minister of Agriculture and Food William Atcheson Stewart November 8, 1961 March 1, 1971Minister of Justice and Attorney General Kelso Roberts November 8, 1961 October 25, 1962 Fred Cass October 25, 1962 March 23, 1964 Arthur Wishart March 23, 1964 March 1, 1971Minister of Tourism and Information Bryan Lewis Cathcart November 8, 1961 August 14, 1963 James Auld August 14, 1963 March 1, 1971 Minister of University Affairs Bill Davis May 14, 1964 March 1, 1971Minister of Social and Family Services Louis-Pierre Cécile November 8, 1961 November 24, 1966 John Yaremko November 24, 1966 March 1, 1971Ministry of Financial and Commercial Affairs Leslie Rowntree November 24, 1966 February 5, 1970 Bert Lawrence February 5, 1970 March 1, 1971Minister of Correctional Services Irwin Haskett November 8, 1961 August 14, 1963 Allan Grossman August 14, 1963 March 1, 1971Minister of Education John Robarts November 8, 1961 October 25, 1962 Bill Davis October 25, 1962 March 1, 1971Minister of Energy Robert Macaulay November 8, 1961 October 16, 1963 John Richard Simonett October 16, 1963 June 5, 1969 George Kerr June 5, 1969 March 1, 1971Treasurer and Minister of Economics James Allan November 8, 1961 November 24, 1966 Charles MacNaughton November 24, 1966 March 1, 1971Ministry of Highways William Goodfellow November 8, 1961 October 25, 1962 Charles MacNaughton October 25, 1962 November 24, 1966 George Gomme November 24, 1966 March 1, 1971Minister of Public Works Ray Connell November 8, 1961 June 5, 1969 Jack Simonett June 5, 1969 March 1, 1971Minister of Health Matthew Dymond November 8, 1961 August 13, 1969 Thomas Leonard Wells August 13, 1969 March 1, 1971Minister of Trade and Development James Allan November 8, 1961 November 24, 1966 Charles MacNaughton November 24, 1966 March 1, 1971Minister of Labour Bill Warrender November 8, 1961 October 25, 1962 Leslie Rowntree October 25, 1962 November 24, 1966 Dalton Bales November 24, 1966 March 1, 1971Minister of Municipal Affairs Fred Cass November 8, 1961 October 25, 1962 Wilf Spooner October 25, 1962 November 23, 1967 Darcy McKeough November 23, 1967 March 1, 1971Minister of Lands and Forests Wilf Spooner November 8, 1961 October 25, 1962 Kelso Roberts October 25, 1962 November 24, 1966 René Brunelle November 24, 1966 March 1, 1971Minister of Mines and Northern Affairs George Wardrope November 8, 1961 November 23, 1967 Allan Lawrence November 23, 1967 March 1, 1971Minister of Revenue Charles MacNaughton July 23, 1968 October 10, 1968 John White October 10, 1968 March 1, 1971Minister of Transport Leslie Rowntree November 8, 1961 October 25, 1962 James Auld October 25, 1962 August 14, 1963 Irwin Haskett August 14, 1963 March 1, 1971Ministers Without Portfolios Fernand Guindon November 23, 1967 March 1, 1971Provincial Secretary and Minister of Citizenship John Yaremko November 8, 1961 November 24, 1966 Robert Stanley Welch November 24, 1966 March 1, 1971
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