The 25th Legislative Assembly of Ontario was in session from June 9, 1955, until May 4, 1959, just prior to the 1959 general election. The majority party was the Ontario Progressive Conservative Party led by Leslie Frost.

Alfred Wallace Downer served as speaker for the assembly.

Members elected to the Assembly RidingMemberPartyFirst elected / previously electedNo. of termsNotesAlgoma—ManitoulinJohn Arthur FullertonProgressive Conservative19454th termBeachesWilliam Henry CollingsProgressive Conservative19512nd termBellwoodsJohn YaremkoProgressive Conservative19512nd termBracondaleArthur George FrostProgressive Conservative19512nd termBrant CountyHarry Corwin NixonLiberal191911th termBrantfordGeorge Thomas GordonLiberal19483rd termBruceRoss MacKenzie WhicherLiberal19551st termCarletonWilliam Erskine JohnstonProgressive Conservative19551st termCochrane NorthPhilip KellyProgressive Conservative19512nd termRené Brunelle (1958)Progressive Conservative19581st termCochrane SouthWilf SpoonerProgressive Conservative19551st termDovercourtDavid KerrProgressive Conservative19512nd termDufferin—SimcoeAlfred Wallace DownerProgressive Conservative19376th termDurhamJohn Weir FooteProgressive Conservative19483rd termEglintonWilliam James DunlopProgressive Conservative19512nd termElginFletcher Stewart ThomasProgressive Conservative19454th termRonald Keith McNeil (1958)Progressive Conservative19581st termEssex NorthArthur John ReaumeLiberal19512nd termEssex SouthWilliam MurdochProgressive Conservative19435th termFort WilliamClare Edgar MapledoramProgressive Conservative19512nd termFrontenac—AddingtonDavid John RankinProgressive Conservative19551st termGlengarryOsie VilleneuveProgressive Conservative19483rd termFernand Guindon (1957)Progressive Conservative19571st termGrenville—DundasFrederick McIntosh CassProgressive Conservative19551st termGrey NorthMackinnon PhillipsProgressive Conservative19454th termGrey SouthFarquhar Robert OliverLiberal19269th termHaldimand—NorfolkJames Noble AllanProgressive Conservative19512nd termHaltonStanley Leroy HallProgressive Conservative19435th termHamilton CentreWilliam Kenneth WarrenderProgressive Conservative19512nd termHamilton EastRobert Ellsworth ElliottProgressive Conservative1945, 19513rd term*Hamilton—WentworthThomas Ray ConnellProgressive Conservative19512nd termHastings EastRoscoe RobsonProgressive Conservative19435th termLloyd Harrison Price (1958)Progressive Conservative19581st termHastings WestElmer SandercockProgressive Conservative19483rd termHigh ParkAlfred Hozack CowlingProgressive Conservative19512nd termHuronThomas PrydeProgressive Conservative19484th termCharles Steel MacNaughton (1958)Progressive Conservative19581st termHuron—BruceJohn William HannaProgressive Conservative19435th termKenoraAlbert WrenLiberal-Labour19512nd termKent EastJohn Purvis SpenceLiberal19551st termKent WestGeorge William ParryProgressive Conservative19454th termKingstonWilliam McAdam NickleProgressive Conservative19512nd termLambton EastCharles Eusibius JanesProgressive Conservative19454th termLambton WestBryan Lewis CathcartProgressive Conservative19454th termLanarkGeorge Henry DoucettProgressive Conservative19376th termJohn Arthur McCue (1957)Progressive Conservative19571st termGeorge Ellis Gomme (1958)Progressive Conservative19581st termLeedsJames AuldProgressive Conservative19542nd termLincolnCharles DaleyProgressive Conservative19435th termLondon NorthJohn Parmenter RobartsProgressive Conservative19512nd termLondon SouthGeorge Ernest JacksonProgressive Conservative19551st termMiddlesex NorthThomas L. PatrickProgressive Conservative19435th termWilliam Atcheson Stewart (1957)Progressive Conservative19571st termMiddlesex SouthHarry Marshall AllenProgressive Conservative19454th termMuskokaRobert James BoyerProgressive Conservative19551st termNiagara FallsArthur Connaught JolleyProgressive Conservative19542nd termNickel BeltRhéal BélisleProgressive Conservative19551st termNipissingJean Marc ChaputProgressive Conservative19542nd termNorthumberlandWilliam Arthur GoodfellowProgressive Conservative19435th termOntarioMatthew Bulloch DymondProgressive Conservative19551st termOshawaT.D. ThomasCo-operative Commonwealth19483rd termOttawa EastJules MorinProgressive Conservative19551st termOttawa SouthGeorge Harrison DunbarProgressive Conservative19376th termOttawa WestDonald Hugo MorrowProgressive Conservative19483rd termOxfordGordon William InnesLiberal19551st termParkdaleWilliam James StewartProgressive Conservative1938, 19515th term*Parry SoundAllister JohnstonProgressive Conservative19483rd termPeelThomas Laird KennedyProgressive Conservative1919, 193710th term*PerthJames Frederick EdwardsProgressive Conservative19454th termPeterboroughHarold Robinson ScottProgressive Conservative19435th termPort ArthurGeorge Calvin WardropeProgressive Conservative19512nd termPrescottLouis-Pierre CécileProgressive Conservative19483rd termPrince Edward—LennoxNorris Eldon Howe WhitneyProgressive Conservative19512nd termRainy RiverWilliam George NodenProgressive Conservative19512nd termRenfrew NorthStanley Joseph HuntProgressive Conservative19435th termMaurice Hamilton (1958)Progressive Conservative19581st termRenfrew SouthJames Shannon DempseyIndependent PC19454th termJames Anthony Maloney (1956)Progressive Conservative19561st termRiverdaleRobert William MacaulayProgressive Conservative19512nd termRussellGordon LavergneProgressive Conservative19542nd termSault Ste. MarieHarry LyonsProgressive Conservative19512nd termSimcoe CentreGeorge Graham JohnstonProgressive Conservative19435th termSimcoe EastLloyd Averall LetherbyProgressive Conservative19542nd termSt. AndrewAllan GrossmanProgressive Conservative19551st termSt. DavidHenry James PriceProgressive Conservative19551st termSt. GeorgeDana Harris PorterProgressive Conservative19435th termAllan Frederick Lawrence (1958)Progressive Conservative19581st termSt. PatrickArchibald Kelso RobertsProgressive Conservative1943, 19514th term*StormontPeter Thomas ManleyLiberal19512nd termSudburyGerald Joseph MonaghanProgressive Conservative19551st termTimiskamingAlexander Robert HerbertProgressive Conservative19512nd termVictoriaLeslie Miscampbell FrostProgressive Conservative19376th termWaterloo NorthJohn Joseph WintermeyerLiberal19551st termWaterloo SouthRaymond Munro MyersProgressive Conservative19512nd termWellandEllis Price MorningstarProgressive Conservative19512nd termWellington SouthHarry A. WortonLiberal19551st termWellington—DufferinJohn Henry Haines RootProgressive Conservative19512nd termWentworthArthur John ChildProgressive Conservative19512nd termWentworth EastReg GisbornCo-operative Commonwealth19551st termWindsor—SandwichWilliam GriesingerProgressive Conservative19454th termWindsor—WalkervilleM.C. DaviesProgressive Conservative19451st termWoodbineHarold Ferguson FishleighProgressive Conservative19512nd termYork CentreThomas GrahamProgressive Conservative19551st termYork EastHollis Edward BeckettProgressive Conservative19512nd termYork NorthAddison Alexander MacKenzieProgressive Conservative19454th termYork SouthDonald Cameron MacDonaldCo-operative Commonwealth19551st termYork WestW. Elmer BrandonProgressive Conservative19512nd termLeslie Rowntree (1956)Progressive Conservative19561st termYork—HumberWilliam Beverley LewisProgressive Conservative19551st termYork—ScarboroughRichard Edward SuttonProgressive Conservative19551st term

Timeline + 25th Legislative Assembly of Ontario - Movement in seats held (1955-1959)Party1955Gain/(loss) due to1959 Resignationas MPP Deathin office Byelectiongain Byelectionhold83 (6) (5) 1 11 8410 103 31 11 (1) –Total 98 (6) (6) 1 11 98

+ Changes in seats held (1955-1959) Seat Before ChangeDateMemberPartyReasonDateMemberPartyRenfrew SouthOctober 24, 1955James Shannon DempseyDied in officeJanuary 12, 1956James MaloneyYork WestJuly 2, 1956Elmer BrandonDied in officeOctober 18, 1956Leslie RowntreeMiddlesex NorthJanuary 10, 1957Thomas PatrickDied in officeSeptember 5, 1957William Atcheson StewartGlengarryMay 25, 1957Osie VilleneuveResigned to contest the House of Commons seat of Glengarry—Prescott in the 1957 electionSeptember 5, 1957Fernand GuindonLanarkAugust 14, 1957George Henry DoucettResigned to contest the House of Commons seat of Lanark in a byelection, upon the death of William Gourlay BlairOctober 24, 1957John Arthur McCueMay 26, 1958John Arthur McCueDied in officeAugust 28, 1958George GommeElginNovember 9, 1957Fletcher Stewart ThomasDied in officeJanuary 30, 1958Ron McNeilHuronJanuary 5, 1958 Thomas PrydeDied in officeMay 12, 1958Charles MacNaughtonCochrane NorthJanuary 22, 1958Philip KellyResigned from seat, after previously being ordered to resign as Minister of MinesMay 12, 1958René BrunelleSt. George January 30, 1958Dana PorterAppointed as Chief Justice of the Ontario Court of AppealMay 12, 1958Allan LawrenceRenfrew North March 1, 1958Stanley Joseph HuntResigned to contest the House of Commons seat of Renfrew North in the 1958 electionMay 12, 1958Maurice HamiltonHastings EastJuly 30, 1958Roscoe RobsonAccepted an appointment as Sheriff of Hastings CountyAugust 28, 1958Lloyd Price

External links Members in Parliament 25

Notes

References