41st Parliament of Ontario
Summary of seat changes
Table:
Changes in seats held (2014–2018)

Seat

Before

Change

Date

Member

Party

Reason

Date

Member

Party

Sudbury

November 20, 2014[17]

Joe Cimino

█ New Democratic

Resignation

February 5, 2015[18]

Glenn Thibeault

█ Liberal

Simcoe North

August 1, 2015

Garfield Dunlop

█ PC

Resignation

September 3, 2015

Patrick Brown

█ PC

Whitby—Oshawa

August 28, 2015

Christine Elliott

█ PC

Resignation

February 11, 2016

Lorne Coe

█ PC

Scarborough—Rouge River

March 22, 2016

Bas Balkissoon

█ Liberal

Resignation

September 1, 2016

Raymond Cho

█ PC

Ottawa—Vanier

June 30, 2016

Madeleine Meilleur

█ Liberal

Resignation

November 17, 2016[19]

Nathalie Des Rosiers

█ Liberal

Niagara West—Glanbrook

September 16, 2016[20]

Tim Hudak

█ PC

Resignation

November 17, 2016[21]

Sam Oosterhoff

█ PC

Sault Ste. Marie

December 31, 2016[22]

David Orazietti

█ Liberal

Resignation

June 1, 2017[23]

Ross Romano

█ PC

Carleton—Mississippi Mills

May 28, 2017[8]

Jack MacLaren

█ PC

Expulsion

█ Trillium

Toronto Centre

September 1, 2017[24]

Glen Murray

█ Liberal

Resignation

█ Vacant

Bramalea—Gore—Malton

October 20, 2017[25]

Jagmeet Singh

█ New Democratic

Resignation

█ Vacant

Parkdale—High Park

December 31, 2017[26]

Cheri DiNovo

█ New Democratic

Resignation

█ Vacant

Simcoe North

February 16, 2018[27]

Patrick Brown

█ PC

Expulsion

█ Independent

St. Paul's

February 26, 2018[28]

Eric Hoskins

█ Liberal

Resignation

█ Vacant

Kitchener-Conestoga

April 9, 2018[15][29]

Michael Harris

█ PC

Expulsion

█ Independent

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