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.[1]
Party | 1955 | Gain/(loss) due to | 1959 | |||||
---|---|---|---|---|---|---|---|---|
Resignation as MPP | Death in office | Byelection gain | Byelection hold | |||||
83 | (6) | (5) | 1 | 11 | 84 | |||
10 | 10 | |||||||
3 | 3 | |||||||
1 | 1 | |||||||
1 | (1) | - | ||||||
Total | 98 | (6) | (6) | 1 | 11 | 98 |
Seat | Before | Change | ||||||
---|---|---|---|---|---|---|---|---|
Date | Member | Party | Reason | Date | Member | Party | ||
Renfrew South | October 24, 1955 | James Shannon Dempsey | Died in office | January 12, 1956 | James Maloney | |||
York West | July 2, 1956 | Elmer Brandon | Died in office | October 18, 1956 | Leslie Rowntree | |||
Middlesex North | January 10, 1957 | Thomas Patrick | Died in office | September 5, 1957 | William Atcheson Stewart | |||
Glengarry | May 25, 1957 | Osie Villeneuve | Resigned to contest the House of Commons seat of Glengarry—Prescott in the 1957 election | September 5, 1957 | Fernand Guindon | |||
Lanark | August 14, 1957 | George Henry Doucett | Resigned to contest the House of Commons seat of Lanark in a byelection, upon the death of William Gourlay Blair | October 24, 1957 | John Arthur McCue | |||
May 26, 1958 | John Arthur McCue | Died in office | August 28, 1958 | George Gomme | ||||
Elgin | November 9, 1957 | Fletcher Stewart Thomas | Died in office | January 30, 1958 | Ron McNeil | |||
Huron | January 5, 1958 | Thomas Pryde | Died in office | May 12, 1958 | Charles MacNaughton | |||
Cochrane North | January 22, 1958 | Philip Kelly | Resigned from seat, after previously being ordered to resign as Minister of Mines | May 12, 1958 | René Brunelle | |||
St. George | January 30, 1958 | Dana Porter | Appointed as Chief Justice of the Ontario Court of Appeal | May 12, 1958 | Allan Lawrence | |||
Renfrew North | March 1, 1958 | Stanley Joseph Hunt | Resigned to contest the House of Commons seat of Renfrew North in the 1958 election | May 12, 1958 | Maurice Hamilton | |||
Hastings East | July 30, 1958 | Roscoe Robson | Accepted an appointment as Sheriff of Hastings County | August 28, 1958 | Lloyd Price |