Ontario Liberal Party leadership elections
This is a list of results of leadership elections for the Ontario Liberal Party, a political party in Ontario, Canada.
Note: Before 1919, the leaders of the Ontario Liberal Party were chosen by its elected Members of the Legislative Assembly. There were calls for a more open process as early as 1907.
1919 leadership convention
First ballot:Second ballot:
- Hartley Dewart 158
- J.C. Tolmie 121
- J.C. Elliott 24
1922 leadership convention
- Wellington Hay won with clear majority on the first ballot
- J.C. Tolmie
- W.E.N. Sinclair
1930 leadership convention
W.E.N. Sinclair and Sydney Tweed both withdrew from the race before balloting.1943 leadership convention
There were 8 spoiled ballots.Premier Gordon Conant had also been a candidate but collapsed the morning of the leadership vote and withdrew.
1945 leadership election
- Mitchell Hepburn acclaimed
Hepburn was defeated in the 1945 provincial election, and Farquhar Oliver was chosen as the Ontario Liberal Party's parliamentary leader on July 4, 1945.
1947 leadership convention
- Farquhar Oliver elected
- Colin Campbell
- Allan A. Lamport
- Alvin P. Cadeau
- W.A. Gunn
- P.M. Dewan and W.A. Moore both withdrew from the race before balloting.
1950 leadership convention
First ballot:- Walter Thomson 296
- Harry Cassidy 156
- John G. Brown 149
- Campbell Calder 69
- Henry Arnott Hicks 28
- Charles Winnans Cox 24
- Norman Hipel 12
- J.J. Sullivan 4
- Walter Thomson 334
- Harry Cassidy 194
- John G. Brown 166
- Campbell Calder 50
- Walter Thomson 365
- Harry Cassidy 220
- John G. Brown 116
1954 leadership convention
- Farquhar Oliver 412
- Albert Wren 162
- Bob Temple 46
1958 leadership convention
First ballot:- Walter Harris 304
- John Wintermeyer 264
- Joe Greene 88
- Vernon Singer 43
- Ross Whicher 39
- Arthur Reaume 32
- Albert Wren 7
Second ballot:
- John Wintermeyer 369
- Walter Harris 354
- Joe Greene45
- Vernon Singer 21
Third ballot:
- John Wintermeyer 398
- Walter Harris 349
- Joe Greene 14
1964 leadership convention
| Candidate | 1st ballot | 1st ballot | 2nd ballot | 2nd ballot | 3rd ballot | 3rd ballot | 4th ballot | 4th ballot | 5th ballot | 5th ballot | 6th ballot | 6th ballot |
| Name | Votes cast | % | Votes cast | % | Votes cast | % | Votes cast | % | Votes cast | % | Votes cast | % |
| Andy Thompson | 379 | 27.7 | 408 | 29.7 | 462 | 33.6 | 520 | 38.1 | 539 | 39.9 | 772 | 58.8 |
| Charles Templeton | 317 | 23.1 | 356 | 25.9 | 396 | 28.8 | 422 | 30.9 | 419 | 31.0 | 540 | 41.2 |
| Robert Nixon | 313 | 22.8 | 351 | 25.6 | 356 | 25.9 | 387 | 28.3 | 392 | 29.0 | ||
| Joe Greene | 236 | 17.2 | 211 | 15.4 | 149 | 10.9 | 37 | 2.7 | ||||
| Victor Copps | 61 | 4.5 | 27 | 2.0 | 10 | 0.7 | ||||||
| Eddie Sargent | 51 | 3.7 | 20 | 1.5 | ||||||||
| Joseph Gould | 13 | 0.9 | ||||||||||
| Total | 1,370 | 100.0 | 1,373 | 100.0 | 1,373 | 100.0 | 1,366 | 100.0 | 1,350 | 100.0 | 1,312 | 100.0 |
1967 leadership convention
- Robert Nixon acclaimed
1973 leadership convention
| Candidate | 1st ballot | 1st ballot | 2nd ballot | 2nd ballot | 3rd ballot | 3rd ballot |
| Name | Votes cast | % | Votes cast | % | Votes cast | % |
| Robert Nixon | 730 | 42.5 | 768 | 45.3 | 922 | 57.7 |
| Norman Cafik | 574 | 33.4 | 613 | 36.1 | 675 | 42.3 |
| Donald Deacon | 402 | 23.4 | 316 | 18.6 | Endorsed Nixon | Endorsed Nixon |
| Michael Houlton | 11 | 0.6 | No endorsement | No endorsement | No endorsement | No endorsement |
| Total | 1,717 | 100.0 | 1,697 | 100.0 | 1,597 | 100.0 |
1976 leadership convention
| Candidate | 1st ballot | 1st ballot | 2nd ballot | 2nd ballot | 3rd ballot | 3rd ballot |
| Name | Votes cast | % | Votes cast | % | Votes cast | % |
| Stuart Smith | 629 | 32.0 | 742 | 38.5 | 998 | 51.2 |
| David Peterson | 518 | 26.4 | 673 | 34.9 | 953 | 48.8 |
| Albert Roy | 469 | 23.9 | 513 | 26.6 | No Endorsement | No Endorsement |
| Mark MacGuigan | 308 | 15.7 | No Endorsement | No Endorsement | No Endorsement | No Endorsement |
| Larry Condon | 37 | 1.9 | No Endorsement | No Endorsement | No Endorsement | No Endorsement |
| Michael Houlton | 4 | 0.2 | No endorsement | No endorsement | No endorsement | No endorsement |
| Total | 1,965 | 100.0 | 1,928 | 100.0 | 1,951 | 100.0 |
1982 leadership convention
.| Candidate | 1st Ballot | 1st Ballot | 2nd Ballot | 2nd Ballot | - | - | - | - | - | - |
| Name | Votes | % | Votes | % | - | - | - | - | - | - |
| David Peterson | 966 | 46.3 | 1136 | 55.2 | - | - | - | - | - | - |
| Sheila Copps | 636 | 30.5 | 774 | 37.6 | - | - | - | - | - | - |
| Richard Thomas | 234 | 11.2 | 148 | 7.2 | - | - | - | - | - | - |
| Jim Breithaupt | 130 | 6.2 | - | - | - | - | - | - | ||
| John Sweeney | 122 | 5.8 | - | - | - | - | - | - | ||
| Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot |
| Total | 2088 | 100.0 | 2058 | 100.0 | - | - | - | - | - | - |
1992 leadership convention
| Candidate | 1st Ballot | 1st Ballot | 2nd Ballot | 2nd Ballot | 3rd Ballot | 3rd Ballot | 4th Ballot | 4th Ballot | 5th Ballot | 5th Ballot |
| Name | Votes | % | Votes | % | Votes | % | Votes | % | Votes | % |
| Murray Elston | 740 | 30.2 | 767 | 31.8 | 865 | 35.6 | 988 | 41.6 | 1153 | 49.8 |
| Lyn McLeod | 667 | 27.2 | 744 | 30.9 | 873 | 35.9 | 1049 | 44.1 | 1162 | 50.2 |
| Greg Sorbara | 345 | 14.1 | 380 | 15.8 | 402 | 16.6 | 341 | 14.3 | Released delegates | Released delegates |
| Charles Beer | 247 | 10.1 | 307 | 12.7 | 289 | 11.9 | Released delegates | Released delegates | Released delegates | Released delegates |
| Steve Mahoney | 236 | 9.6 | 213 | 8.8 | Supported McLeod | Supported McLeod | Supported McLeod | Supported McLeod | Supported McLeod | Supported McLeod |
| David Ramsay | 216 | 8.8 | Released delegates | Released delegates | Released delegates | Released delegates | Released delegates | Released delegates | Released delegates | Released delegates |
| Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot | Votes cast by ballot |
| Total | 2451 | 100.0 | 2411 | 100.0 | 2429 | 100.0 | 2378 | 100.0 | 2315 | 100.0 |
2023 leadership election
A leadership election was held December 2, 2023 due to the June 2, 2022 resignation of Steven Del Duca as party leader following his party's poor result in the 2022 Ontario general election.According to the party, 22,827 party members cast ballots out of a total membership of over 100,000.