The Davis ministry was the combined cabinet (formally the Executive Council of Ontario) that governed Ontario from March 1, 1971, to February 8, 1985. It was the longest-lived ministry of Ontario in the 20th century.

It was led by the 18th Premier of Ontario, Bill Davis. The ministry was made up of members of the Progressive Conservative Party of Ontario, which commanded at first a majority, and then a minority, before returning at last to majority status in the Legislative Assembly of Ontario.

The ministry replaced the Robarts ministry following the resignation of Premier John Robarts and the 1971 PC leadership convention. The Davis ministry governed through the last few months of the 28th Parliament of Ontario, through the entirety of the 29th, 30th, and 31st Parliaments of Ontario, and most of the 32nd Parliament of Ontario.

Davis resigned as Premier of Ontario in 1985 and was succeeded as Premier of Ontario by David Peterson.

List of ministers

Davis Ministry by Leadership Position
PositionMinisterTenure
StartEnd
Premier of OntarioBill DavisMarch 1, 1971February 8, 1985
Deputy Premier of OntarioBob Welch position createdSeptember 21, 1977February 8, 1985
House LeaderThomas Leonard WellsDecember 23, 1983February 8, 1985
Chief WhipBud GregoryApril 10, 1981July 6, 1983
Robert G. EatonJuly 6, 1983February 8, 1985
Davis ministry by portfolio
PortfolioMinisterTenure
StartEnd
Chair of the Management Board of CabinetDarcy McKeoughMarch 1, 1971April 7, 1972
Charles MacNaughtonFebruary 2, 1972September 28, 1972
Eric WinklerSeptember 28, 1972October 7, 1975
James AuldOctober 7, 1975August 18, 1978
George McCagueAugust 18, 1978February 8, 1985
Minister of Agriculture and FoodWilliam Atcheson StewartMarch 1, 1971October 7, 1975
Bill NewmanOctober 7, 1975August 30, 1979
Lorne HendersonAugust 30, 1979February 13, 1982
Dennis TimbrellFebruary 13, 1982February 8, 1985
Attorney GeneralAllan LawrenceMarch 1, 1971February 2, 1972
Dalton BalesFebruary 2, 1972February 26, 1974
Bob WelchFebruary 26, 1974January 14, 1975
John ClementJanuary 14, 1975October 7, 1975
Roy McMurtryOctober 7, 1975February 8, 1985
Minister of Citizenship and CultureBob WelchJanuary 14, 1975August 18, 1978
Reuben BaetzAugust 18, 1978February 13, 1982
Bruce McCaffreyFebruary 13, 1982July 6, 1983
Susan FishJuly 6, 1983February 8, 1985
Minister of Colleges and UniversitiesJohn WhiteMarch 1, 1971February 2, 1972
George KerrFebruary 2, 1972September 28, 1972
Jack McNieSeptember 28, 1972February 26, 1974
James AuldFebruary 26, 1974October 7, 1975
Harry ParrottOctober 7, 1975August 18, 1978
Bette StephensonAugust 18, 1978February 8, 1985
Minister of Community and Social ServicesThomas Leonard WellsMarch 1, 1971February 2, 1972
René BrunelleFebruary 2, 1972October 7, 1975
James A. TaylorOctober 7, 1975February 3, 1977
Keith NortonFebruary 3, 1977April 10, 1981
Frank DreaApril 10, 1981September 29, 1983
Bruce McCaffrey interimSeptember 29, 1983November 21, 1983
Frank DreaNovember 21, 1983February 8, 1985
Minister of Consumer and Commercial RelationsArthur WishartMarch 1, 1971December 8, 1971
Gordon CartonDecember 8, 1971February 2, 1972
Eric WinklerFebruary 2, 1972September 28, 1972
John ClementSeptember 28, 1972June 18, 1975
Sid HandlemanJune 18, 1975September 21, 1977
Larry GrossmanSeptember 21, 1977October 18, 1978
Frank DreaOctober 18, 1978April 10, 1981
Gordon WalkerApril 10, 1981February 13, 1982
Robert C. Mitchell?April 30, 1982September 12, 1983
Robert ElgieFebruary 13, 1982February 8, 1985
Minister of Correctional ServicesSyl AppsMarch 1, 1971February 26, 1974
Richard PotterFebruary 26, 1974October 7, 1975
John SmithOctober 7, 1975February 3, 1977
Arthur MeenFebruary 3, 1977June 23, 1977
John MacBeth interimJune 23, 1977September 21, 1977
Frank DreaSeptember 21, 1977October 18, 1978
Gordon WalkerOctober 18, 1978April 10, 1981
Nick LelukApril 10, 1981February 8, 1985
Minister of EducationBob WelchMarch 1, 1971February 2, 1972
Thomas WellsFebruary 2, 1972August 18, 1978
Bette StephensonAugust 18, 1978February 8, 1985
Minister of EnergyGeorge KerrMarch 1, 1971July 23, 1971
Did not existJuly 23, 1971July 4, 1973
Darcy McKeoughJuly 4, 1973June 18, 1975
Dennis TimbrellJune 18, 1975February 3, 1977
James A. TaylorFebruary 3, 1977January 21, 1978
Reuben BaetzJanuary 21, 1978August 18, 1978
James AuldAugust 18, 1978August 30, 1979
Bob WelchAugust 30, 1979July 6, 1983
Philip AndrewesJuly 6, 1983February 8, 1985
Minister of the EnvironmentGeorge KerrJuly 23, 1971February 2, 1972
James AuldFebruary 2, 1972February 26, 1974
Bill NewmanFebruary 26, 1974October 7, 1975
George KerrOctober 7, 1975January 21, 1978
George McCagueJanuary 21, 1978August 18, 1978
Harry Craig ParrottAugust 18, 1978April 10, 1981
Keith NortonApril 10, 1981July 6, 1983
Andy BrandtJuly 6, 1983February 8, 1985
Treasurer and Minister of EconomicsDarcy McKeoughMarch 1, 1971September 7, 1972
Charles MacNaughtonSeptember 7, 1972January 15, 1973
John WhiteJanuary 15, 1973June 18, 1975
Darcy McKeoughJune 18, 1975August 18, 1978
Frank MillerAugust 18, 1978July 6, 1983
Larry GrossmanJuly 6, 1983February 8, 1985
Minister of Government ServicesJames AuldMarch 1, 1971February 2, 1972
James W. SnowFebruary 2, 1972October 7, 1975
Margaret ScrivenerOctober 7, 1975February 3, 1977
John SmithFebruary 3, 1977June 23, 1977
James AuldJune 23, 1977September 21, 1977
George McCagueSeptember 21, 1977January 21, 1978
Lorne HendersonJanuary 21, 1978August 30, 1979
Douglas WisemanAugust 30, 1979July 6, 1983
George AsheJuly 6, 1983February 8, 1985
Minister of HealthBert LawrenceMarch 1, 1971February 2, 1972
Richard PotterFebruary 2, 1972February 26, 1974
Frank MillerFebruary 26, 1974February 3, 1977
Dennis TimbrellFebruary 3, 1977February 13, 1982
Larry GrossmanFebruary 13, 1982July 6, 1983
Keith NortonJuly 6, 1983October 11, 1983
Thomas Leonard Wells interimOctober 11, 1983December 5, 1983
Keith NortonDecember 5, 1983February 8, 1985
Minister of Intergovernmental Affairsmerged with Treasurer19721978
Thomas Leonard WellsAugust 18, 1978February 8, 1985
Minister of Industry and Trade DevelopmentAllan GrossmanMarch 1, 1971February 2, 1972
John WhiteFebruary 2, 1972January 15, 1973
Claude BennettJanuary 15, 1973January 21, 1978
John RhodesJanuary 21, 1978September 25, 1978
vacantSeptember 25, 1978October 18, 1978
Larry GrossmanOctober 18, 1978February 13, 1982
Gordon WalkerFebruary 13, 1982July 6, 1983
Frank MillerJuly 6, 1983February 8, 1985
Minister of LabourGordon CartonMarch 1, 1971February 2, 1972
Fernand GuindonFebruary 2, 1972May 31, 1974
John MacBethMay 31, 1974October 7, 1975
Bette StephensonOctober 7, 1975August 18, 1978
Robert ElgieAugust 18, 1978February 13, 1982
Russ RamsayFebruary 13, 1982February 8, 1985
Minister of Municipal AffairsDalton BalesMarch 1, 1971February 2, 1972
Darcy McKeoughFebruary 2, 1972April 7, 1972
merged with Intergovermental AffairsApril 7, 1972July 3, 1981
merged with Municipal Affairs and HousingJuly 3, 1981February 8, 1985
Minister of HousingBob WelchNovember 7, 1973February 26, 1974
Sid HandlemanFebruary 26, 1974October 7, 1974
Donald IrvineOctober 7, 1974October 7, 1975
John RhodesOctober 7, 1975January 21, 1978
Claude BennettJanuary 21, 1978July 3, 1981
merged with Municipal Affairs and HousingJuly 3, 1981February 8, 1985
Minister of Municipal Affairs and HousingClaude BennettJuly 3, 1981February 8, 1985
Minister of Natural ResourcesRené BrunelleMarch 1, 1971February 2, 1972
Leo BernierFebruary 2, 1972February 3, 1977
Frank MillerFebruary 3, 1977August 18, 1978
James AuldAugust 18, 1978April 10, 1981
Alan PopeApril 10, 1981February 8, 1985
Minister of Northern AffairsLeo BernierMarch 1, 1971April 7, 1972
merged with Natural Resources?19721977
Leo BernierFebruary 3, 1977February 8, 1985
Minister Responsible for Women's IssuesBob WelchMay 17, 1983February 8, 1985
Minister of RevenueEric Alfred WinklerMarch 1, 1971February 2, 1972
Allan GrossmanFebruary 2, 1972February 26, 1974
Arthur MeenFebruary 26, 1974February 3, 1977
Margaret ScrivenerFebruary 3, 1977January 21, 1978
Lorne MaeckJanuary 21, 1978April 10, 1981
George AsheApril 10, 1981July 6, 1983
Bud GregoryJuly 6, 1983February 8, 1985
Minister of Tourism and RecreationFernand GuindonMarch 1, 1971February 2, 1972
John WhiteFebruary 2, 1972April 7, 1972
merged with Industry and TourismApril 7, 1972February 13, 1982
Reuben BaetzFebruary 13, 1982February 8, 1985
Minister of Transportation and CommunicationsCharles MacNaughtonMarch 1, 1971February 2, 1972
Gordon CartonFebruary 2, 1972February 26, 1974
John RhodesFebruary 26, 1974October 7, 1975
James W. SnowOctober 7, 1975February 8, 1985
Ministers Without PortfoliosRichard PotterMarch 1, 1971February 2, 1972
James W. SnowMarch 1, 1971February 2, 1972
Claude BennettSeptember 28, 1972January 15, 1973
Margaret BirchSeptember 28, 1972February 26, 1974)
Jack McNieFebruary 26, 1974October 7, 1975
Donald IrvineFebruary 26, 1974October 7, 1974
Sid HandlemanOctober 7, 1974June 18, 1975
Richard B. BeckettJune 18, 1975October 7, 1975
Lorne HendersonOctober 7, 1975January 21, 1978
René BrunelleOctober 7, 1975February 3, 1977
Douglas WisemanJanuary 21, 1978August 30, 1979
Alan PopeAugust 30, 1979April 10, 1981
Bud GregoryAugust 29, 1979July 6, 1983
Norm SterlingApril 10, 1981February 13, 1982
Bruce McCaffreyApril 10, 1981February 13, 1982
Gordon DeanJuly 6, 1983December 23, 1983
Robert G. EatonFebruary 13, 1982February 5, 1985
Provincial Secretary and Ministry of CitizenshipJohn YaremkoMarch 1, 1971April 7, 1972
Provincial Secretary for JusticeAllan LawrenceJanuary 5, 1972September 28, 1972
George KerrSeptember 28, 1972February 26, 1974
Bob WelchFebruary 26, 1974June 18, 1975
John ClementJune 18, 1975October 7, 1975
John MacBethOctober 7, 1975January 21, 1978
George KerrJanuary 21, 1978August 18, 1978
Bob WelchAugust 18, 1978August 30, 1979
Gordon WalkerAugust 30, 1979February 13, 1982
Norman SterlingFebruary 13, 1982December 23, 1983
Gordon WalkerDecember 23, 1983February 8, 1985
Provincial Secretary for Resource DevelopmentBert LawrenceJanuary 5, 1972February 26, 1974
Allan GrossmanFebruary 26, 1974October 7, 1975
Donald IrvineOctober 7, 1975February 3, 1977
René BrunelleFebruary 3, 1977April 10, 1981
Russ RamsayApril 10, 1981February 13, 1982
Lorne HendersonFebruary 13, 1982July 6, 1983
Norm SterlingJuly 6, 1983February 8, 1985
Provincial Secretary for Social DevelopmentBob WelchJanuary 5, 1972February 26, 1974
Margaret BirchFebruary 26, 1974July 6, 1983
Bruce McCaffreyJuly 6, 1983December 23, 1983
Gordon DeanDecember 23, 1983February 8, 1985
Solicitor GeneralJohn YaremkoApril 7, 1972February 26, 1974
George KerrFebruary 26, 1974June 18, 1975
John ClementJune 18, 1975October 7, 1975
John MacBethOctober 7, 1975January 21, 1978
George KerrJanuary 21, 1978September 11, 1978
Roy McMurtrySeptember 11, 1978February 13, 1982
George William TaylorFebruary 13, 1982June 26, 1985

Notes