This is a list of members of the Senate of Canada in the 41st Canadian Parliament.
The province of Quebec has 24 Senate divisions which are constitutionally mandated. In all other provinces, a Senate division is strictly an optional designation of the senator's own choosing, and has no real constitutional or legal standing. A senator who does not choose a special senate division is designated a senator for the province at large.
Names in bold indicate senators in the 28th Canadian Ministry. [1]
| [2] | Name | Party | Province (Division) | Date appointed | Appointed by | Left office | Reason | Start | End |
|---|---|---|---|---|---|---|---|---|---|
| Raynell Andreychuk | Conservative | Saskatchewan | March 11, 1993 | Mulroney | August 14, 2019 | Retirement | Yes | Yes | |
| W. David Angus | Conservative | Quebec (Alma) | June 10, 1993 | Mulroney | July 21, 2012 | Retirement | Yes | No | |
| Salma Ataullahjan | Conservative | Ontario | July 9, 2010 | Harper | Incumbent | Yes | Yes | ||
| George Baker | Liberal | Newfoundland and Labrador | March 26, 2002 | Chrétien | September 4, 2017 | Retirement | Yes | Yes | |
| Liberal (Senate caucus) | |||||||||
| Tommy Banks | Liberal | Alberta (Edmonton) | April 7, 2000 | Chrétien | December 17, 2011 | Retirement | Yes | No | |
| Denise Batters | Conservative | Saskatchewan | January 25, 2013 | Harper | Incumbent | No | Yes | ||
| Diane Bellemare | Conservative | Quebec (Alma) | September 6, 2012 | Harper | Incumbent | No | Yes | ||
| Lynn Beyak | Conservative | Ontario | January 25, 2013 | Harper | Incumbent | No | Yes | ||
| Doug Black | Conservative | Alberta | January 25, 2013 | Harper | Incumbent | No | Yes | ||
| Pierre-Hugues Boisvenu | Conservative | Quebec (La Salle) | January 29, 2010 | Harper | Incumbent | Yes | Yes | ||
| David Braley | Conservative | Ontario | May 20, 2010 | Harper | November 30, 2013 | Resignation | Yes | No | |
| Patrick Brazeau | Conservative | Quebec (Repentigny) | January 8, 2009 | Harper | Incumbent | Yes | Yes | ||
| Independent | |||||||||
| Bert Brown | Conservative | Alberta | July 10, 2007 | Harper | March 22, 2013 | Retirement | Yes | No | |
| JoAnne Buth | Conservative | Manitoba | January 6, 2012 | Harper | August 10, 2014 | Resignation | No | No | |
| Catherine Callbeck | Liberal | Prince Edward Island | September 23, 1997 | Chrétien | July 25, 2014 | Retirement | Yes | No | |
| Liberal (Senate caucus) | |||||||||
| Larry Campbell | Liberal | British Columbia (Vancouver) | August 2, 2005 | Martin | Incumbent | Yes | Yes | ||
| Liberal (Senate caucus) | |||||||||
| Claude Carignan | Conservative | Quebec (Mille Isles) | August 27, 2009 | Harper | Incumbent | Yes | Yes | ||
| Sharon Carstairs | Liberal | Manitoba | September 15, 1994 | Chrétien | October 17, 2011 | Resignation | Yes | No | |
| Andrée Champagne | Conservative | Quebec (Grandville) | August 2, 2005 | Martin | July 17, 2014 | Retirement | Yes | No | |
| Maria Chaput | Liberal | Manitoba | December 12, 2002 | Chrétien | March 1, 2016 | Resignation | Yes | Yes | |
| Liberal (Senate caucus) | |||||||||
| Marie-P. Charette-Poulin | Liberal | Ontario | September 22, 1995 | Chrétien | April 17, 2015 | Resignation | Yes | No | |
| Liberal (Senate caucus) | |||||||||
| Ethel Cochrane | Conservative | Newfoundland and Labrador | November 17, 1986 | Mulroney | September 23, 2012 | Retirement | Yes | No | |
| Gerald J. Comeau | Conservative | Nova Scotia | August 30, 1990 | Mulroney | November 30, 2013 | Resignation | Yes | No | |
| Anne Cools | Independent | Ontario (Toronto-Centre-York) | January 13, 1984 | Trudeau | August 12, 2018 | Retirement | Yes | Yes | |
| Jane Cordy | Liberal | Nova Scotia | June 9, 2000 | Chrétien | Incumbent | Yes | Yes | ||
| Liberal (Senate caucus) | |||||||||
| Jim Cowan | Liberal | Nova Scotia (Halifax) | March 24, 2005 | Martin | January 22, 2017 | Retirement | Yes | Yes | |
| Liberal (Senate caucus) | |||||||||
| Jean-Guy Dagenais | Conservative | Quebec | January 17, 2012 | Harper | Incumbent | No | Yes | ||
| Roméo Dallaire | Liberal | Quebec (Gulf) | March 24, 2005 | Martin | June 17, 2014 | Resignation | Yes | No | |
| Liberal (Senate caucus) | |||||||||
| Dennis Dawson | Liberal | Quebec (Lauzon) | August 2, 2005 | Martin | Incumbent | Yes | Yes | ||
| Liberal (Senate caucus) | |||||||||
| Joseph A. Day | Liberal | New Brunswick (Saint John-Kennebecasis) | October 4, 2001 | Chrétien | Incumbent | Yes | Yes | ||
| Liberal (Senate caucus) | |||||||||
| Pierre De Bané | Liberal | Quebec (De la Vallière) | June 29, 1984 | Trudeau | August 2, 2013 | Retirement | Yes | No | |
| Jacques Demers | Conservative | Quebec (Rigaud) | August 27, 2009 | Harper | August 25, 2019 | Retirement | Yes | Yes | |
| Fred Dickson | Conservative | Nova Scotia (Halifax) | January 2, 2009 | Harper | February 9, 2012 | Death | Yes | No | |
| Consiglio Di Nino | Conservative | Ontario | August 30, 1990 | Mulroney | June 30, 2012 | Resignation | Yes | No | |
| Percy Downe | Liberal | Prince Edward Island (Charlottetown) | June 26, 2003 | Chrétien | Incumbent | Yes | Yes | ||
| Liberal (Senate caucus) | |||||||||
| Norman Doyle | Conservative | Newfoundland and Labrador | January 6, 2012 | Harper | Incumbent | No | Yes | ||
| Mike Duffy | Conservative | Prince Edward Island (Cavendish) | January 2, 2009 | Harper | Incumbent | Yes | Yes | ||
| Independent | |||||||||
| Lillian Dyck | Liberal | Saskatchewan (North Battleford) | March 24, 2005 | Martin | Incumbent | Yes | Yes | ||
| Liberal (Senate caucus) | |||||||||
| Nicole Eaton | Conservative | Ontario (Caledon) | January 2, 2009 | Harper | Incumbent | Yes | Yes | ||
| Art Eggleton | Liberal | Ontario (Toronto) | March 24, 2005 | Martin | September 29, 2018 | Retirement | Yes | Yes | |
| Liberal (Senate caucus) | |||||||||
| Tobias C. Enverga | Conservative | Ontario | September 6, 2012 | Harper | November 16, 2017 | Death | No | Yes | |
| Joyce Fairbairn | Liberal | Alberta (Lethbridge) | June 29, 1984 | Trudeau | January 18, 2013 | Resignation | Yes | No | |
| Doug Finley | Conservative | Ontario | August 27, 2009 | Harper | May 11, 2013 | Death | Yes | No | |
| Suzanne Fortin-Duplessis | Conservative | Quebec (Rougemont) | January 14, 2009 | Harper | June 20, 2015 | Retirement | Yes | No | |
| Francis Fox | Liberal | Quebec (Victoria) | August 29, 2005 | Martin | December 2, 2011 | Resignation | Yes | No | |
| Joan Fraser | Liberal | Quebec (De Lorimier) | September 17, 1998 | Chrétien | February 2, 2018 | Resignation | Yes | Yes | |
| Liberal (Senate caucus) | |||||||||
| Linda Frum | Conservative | Ontario | August 27, 2009 | Harper | Incumbent | Yes | Yes | ||
| George Furey | Liberal | Newfoundland and Labrador | August 11, 1999 | Chrétien | May 12, 2023 | Retirement | Yes | Yes | |
| Liberal (Senate caucus) | |||||||||
| Irving Gerstein | Conservative | Ontario (Toronto) | January 2, 2009 | Harper | February 10, 2016 | Retirement | Yes | Yes | |
| Stephen Greene | Conservative | Nova Scotia (Halifax — The Citadel) | January 2, 2009 | Harper | Incumbent | Yes | Yes | ||
| Mac Harb | Liberal | Ontario | September 9, 2003 | Chrétien | August 26, 2013 | Resignation | Yes | No | |
| Independent | |||||||||
| Céline Hervieux-Payette | Liberal | Quebec (Bedford) | March 21, 1995 | Chrétien | April 22, 2016 | Retirement | Yes | Yes | |
| Liberal (Senate caucus) | |||||||||
| Leo Housakos | Conservative | Quebec (Wellington) | January 8, 2009 | Harper | Incumbent | Yes | Yes | ||
| Elizabeth Hubley | Liberal | Prince Edward Island | March 8, 2001 | Chrétien | September 8, 2017 | Retirement | Yes | Yes | |
| Liberal (Senate caucus) | |||||||||
| Mobina Jaffer | Liberal | British Columbia | June 13, 2001 | Chrétien | Incumbent | Yes | Yes | ||
| Liberal (Senate caucus) | |||||||||
| Janis Johnson | Conservative | Manitoba (Winnipeg - Interlake) | September 27, 1990 | Mulroney | September 27, 2016 | Resignation | Yes | Yes | |
| Serge Joyal | Liberal | Québec (Kennebec) | November 26, 1997 | Chrétien | Incumbent | Yes | Yes | ||
| Liberal (Senate caucus) | |||||||||
| Colin Kenny | Liberal | Ontario (Rideau) | June 29, 1984 | Trudeau | February 2, 2018 | Resignation | Yes | Yes | |
| Independent | |||||||||
| Liberal (Senate caucus) | |||||||||
| Noël Kinsella | Conservative | New Brunswick (Fredericton-York-Sunbury) | September 12, 1990 | Mulroney | November 27, 2014 | Retirement | Yes | No | |
| Vim Kochhar | Conservative | Ontario | January 29, 2010 | Harper | September 21, 2011 | Retirement | Yes | No | |
| Daniel Lang | Conservative | Yukon (Whitehorse) | January 2, 2009 | Harper | August 15, 2017 | Resignation | Yes | Yes | |
| Marjory LeBreton | Conservative | Ontario | June 18, 1993 | Mulroney | July 4, 2015 | Retirement | Yes | No | |
| Rose-Marie Losier-Cool | Liberal | New Brunswick (Tracadie) | March 21, 1995 | Chrétien | June 18, 2012 | Retirement | Yes | No | |
| Sandra Lovelace Nicholas | Liberal | New Brunswick | September 21, 2005 | Martin | Incumbent | Yes | Yes | ||
| Liberal (Senate caucus) | |||||||||
| Michael L. MacDonald | Conservative | Nova Scotia (Dartmouth) | January 2, 2009 | Harper | Incumbent | Yes | Yes | ||
| Frank Mahovlich | Liberal | Ontario | June 11, 1998 | Chrétien | January 10, 2013 | Retirement | Yes | No | |
| Ghislain Maltais | Conservative | Quebec | January 6, 2012 | Harper | April 22, 2019 | Retirement | No | Yes | |
| Fabian Manning | Conservative | Newfoundland and Labrador | May 25, 2011 | Harper | Incumbent | No | Yes | ||
| Elizabeth Marshall | Conservative | Newfoundland and Labrador | January 29, 2010 | Harper | Incumbent | Yes | Yes | ||
| Yonah Martin | Conservative | British Columbia (Vancouver) | January 2, 2009 | Harper | Incumbent | Yes | Yes | ||
| Paul J. Massicotte | Liberal | Quebec (De Lanaudière) | June 26, 2003 | Chrétien | Incumbent | Yes | Yes | ||
| Liberal (Senate caucus) | |||||||||
| Elaine McCoy | Progressive Conservative | Alberta (Calgary) | March 24, 2005 | Martin | Incumbent | Yes | Yes | ||
| Independent Progressive Conservative | |||||||||
| Tom McInnis | Conservative | Nova Scotia | September 6, 2012 | Harper | Incumbent | No | Yes | ||
| Paul McIntyre | Conservative | New Brunswick | September 6, 2012 | Harper | Incumbent | No | Yes | ||
| Michael Meighen | Conservative | Ontario (St. Marys) | September 27, 1990 | Mulroney | February 6, 2012 | Resignation | Yes | No | |
| Terry Mercer | Liberal | Nova Scotia (Northend Halifax) | November 7, 2003 | Chrétien | Incumbent | Yes | Yes | ||
| Liberal (Senate caucus) | |||||||||
| Pana Merchant | Liberal | Saskatchewan | December 12, 2002 | Chrétien | March 31, 2017 | Resignation | Yes | Yes | |
| Liberal (Senate caucus) | |||||||||
| Don Meredith | Conservative | Ontario | December 20, 2010 | Harper | May 10, 2017 | Resignation | Yes | Yes | |
| Independent | |||||||||
| Grant Mitchell | Liberal | Alberta (Edmonton) | March 24, 2005 | Martin | Incumbent | Yes | Yes | ||
| Liberal (Senate caucus) | |||||||||
| Percy Mockler | Conservative | New Brunswick (St. Leonard) | January 2, 2009 | Harper | Incumbent | Yes | Yes | ||
| Wilfred P. Moore | Liberal | Nova Scotia (Stanhope St./Bluenose) | September 26, 1996 | Chrétien | January 14, 2017 | Retirement | Yes | Yes | |
| Liberal (Senate caucus) | |||||||||
| Jim Munson | Liberal | Ontario (Ottawa/Rideau Canal) | December 10, 2003 | Chrétien | Incumbent | Yes | Yes | ||
| Liberal (Senate caucus) | |||||||||
| Lowell Murray | Progressive Conservative | Ontario (Pakenham) | September 13, 1979 | Clark | September 26, 2011 | Retirement | Yes | No | |
| Nancy Ruth | Conservative | Ontario (Toronto) | March 24, 2005 | Martin | January 6, 2017 | Retirement | Yes | Yes | |
| Richard Neufeld | Conservative | British Columbia (Charlie Lake) | January 2, 2009 | Harper | Incumbent | Yes | Yes | ||
| Thanh Hai Ngo | Conservative | Ontario | September 6, 2012 | Harper | Incumbent | No | Yes | ||
| Pierre Claude Nolin | Conservative | Quebec (De Salaberry) | June 18, 1993 | Mulroney | April 23, 2015 | Death | Yes | No | |
| Kelvin Ogilvie | Conservative | Nova Scotia (Annapolis Valley - Hants) | August 27, 2009 | Harper | November 6, 2017 | Retirement | Yes | Yes | |
| Victor Oh | Conservative | Ontario | January 25, 2013 | Harper | Incumbent | No | Yes | ||
| Donald Oliver | Conservative | Nova Scotia (South Shore) | September 7, 1990 | Mulroney | November 16, 2013 | Retirement | Yes | No | |
| Dennis Patterson | Conservative | Nunavut | August 27, 2009 | Harper | Incumbent | Yes | Yes | ||
| Lucie Pépin | Liberal | Quebec (Shawinigan) | April 8, 1997 | Chrétien | September 7, 2011 | Retirement | Yes | No | |
| Robert Peterson | Liberal | Saskatchewan (Regina) | March 24, 2005 | Martin | October 19, 2012 | Retirement | Yes | No | |
| Don Plett | Conservative | Manitoba (Landmark) | August 27, 2009 | Harper | Incumbent | Yes | Yes | ||
| Rose-May Poirier | Conservative | New Brunswick (Saint-Louis-de-Kent) | February 28, 2010 | Harper | Incumbent | Yes | Yes | ||
| Vivienne Poy | Liberal | Ontario (Toronto) | September 17, 1998 | Chrétien | September 17, 2012 | Resignation | Yes | No | |
| Nancy Greene Raine | Conservative | British Columbia (Sun Peaks) | January 2, 2009 | Harper | May 11, 2018 | Retirement | Yes | Yes | |
| Pierrette Ringuette | Liberal | New Brunswick | December 12, 2002 | Chrétien | Incumbent | Yes | Yes | ||
| Liberal (Senate caucus) | |||||||||
| Michel Rivard | Conservative | Quebec (The Laurentides) | January 2, 2009 | Harper | August 7, 2016 | Retirement | Yes | Yes | |
| Jean-Claude Rivest | Independent | Quebec (Stadacona) | March 11, 1993 | Mulroney | January 31, 2015 | Resignation | Yes | No | |
| Fernand Robichaud | Liberal | New Brunswick (Saint Louis de Kent) | September 23, 1997 | Chrétien | December 2, 2014 | Retirement | Yes | No | |
| Liberal (Senate caucus) | |||||||||
| Bill Rompkey | Liberal | Newfoundland and Labrador (North West River) | September 22, 1995 | Chrétien | May 13, 2011 | Retirement | Yes | No | |
| Bob Runciman | Conservative | Ontario | January 29, 2010 | Harper | August 10, 2017 | Retirement | Yes | Yes | |
| Judith Seidman | Conservative | Québec (De la Durantaye) | August 27, 2009 | Harper | Incumbent | Yes | Yes | ||
| Hugh Segal | Conservative | Ontario (Kingston) | August 2, 2005 | Martin | June 15, 2014 | Resignation | Yes | No | |
| Asha Seth | Conservative | Ontario | January 6, 2012 | Harper | December 15, 2014 | Retirement | No | No | |
| Nick Sibbeston | Liberal | Northwest Territories | September 2, 1999 | Chrétien | November 21, 2017 | Resignation | Yes | Yes | |
| Liberal (Senate caucus) | |||||||||
| David P. Smith | Liberal | Ontario (Cobourg) | June 25, 2002 | Chrétien | May 16, 2016 | Retirement | Yes | Yes | |
| Liberal (Senate caucus) | |||||||||
| Larry Smith | Conservative | Quebec (Saurel) | May 25, 2011 | Harper | Incumbent | No | Yes | ||
| Gerry St. Germain | Conservative | British Columbia (Langley-Pemberton-Whistler) | June 23, 1993 | Mulroney | November 6, 2012 | Retirement | Yes | No | |
| Carolyn Stewart Olsen | Conservative | New Brunswick | August 27, 2009 | Harper | Incumbent | Yes | Yes | ||
| Terry Stratton | Conservative | Manitoba (Red River) | March 25, 1993 | Mulroney | March 16, 2013 | Retirement | Yes | No | |
| Scott Tannas | Conservative | Alberta | March 25, 2013 | Harper | Incumbent | No | Yes | ||
| Claudette Tardif | Liberal | Alberta (Edmonton) | March 24, 2005 | Martin | February 2, 2018 | Resignation | Yes | Yes | |
| Liberal (Senate caucus) | |||||||||
| David Tkachuk | Conservative | Saskatchewan | June 8, 1993 | Mulroney | Incumbent | Yes | Yes | ||
| Betty Unger | Conservative | Alberta | January 6, 2012 | Harper | August 21, 2018 | Retirement | No | Yes | |
| Josée Verner | Conservative | Quebec (Montarville) | June 13, 2011 | Harper | Incumbent | No | Yes | ||
| John D. Wallace | Conservative | New Brunswick (Rothesay) | January 2, 2009 | Harper | February 1, 2017 | Resignation | Yes | Yes | |
| Pamela Wallin | Conservative | Saskatchewan (Kuroki Beach) | January 2, 2009 | Harper | Incumbent | Yes | Yes | ||
| Independent | |||||||||
| Charlie Watt | Liberal | Quebec (Inkerman) | January 16, 1984 | Trudeau | March 16, 2018 | Resignation | Yes | Yes | |
| Liberal (Senate caucus) | |||||||||
| David Wells | Conservative | Newfoundland and Labrador | January 25, 2013 | Harper | Incumbent | No | Yes | ||
| Vernon White | Conservative | Ontario | February 20, 2012 | Harper | Incumbent | No | Yes | ||
| Rod Zimmer | Liberal | Manitoba (Winnipeg) | August 2, 2005 | Martin | August 2, 2013 | Resignation | Yes | No |
| Date | Name | Party | Province (Division) | Details | |
|---|---|---|---|---|---|
| May 13, 2011 | William Rompkey | Liberal | Newfoundland and Labrador | Reached mandatory retirement age of 75 | |
| September 7, 2011 | Lucie Pépin | Liberal | Quebec (Shawinigan) | Reached mandatory retirement age of 75 | |
| September 21, 2011 | Vim Kochhar | Conservative | Ontario | Reached mandatory retirement age of 75 | |
| September 26, 2011 | Lowell Murray | Progressive Conservative | Ontario (Pakenham) | Reached mandatory retirement age of 75 | |
| October 17, 2011 | Sharon Carstairs | Liberal | Manitoba | Resigned | |
| December 2, 2011 | Francis Fox | Liberal | Quebec (Victoria) | Resigned | |
| December 17, 2011 | Tommy Banks | Liberal | Alberta (Edmonton) | Reached mandatory retirement age of 75 | |
| February 6, 2012 | Michael Meighen | Conservative | Ontario | Resigned | |
| February 9, 2012 | Fred Dickson | Conservative | Nova Scotia | Death | |
| June 18, 2012 | Rose-Marie Losier-Cool | Liberal | New Brunswick (Tracadie) | Reached mandatory retirement age of 75 | |
| June 30, 2012 | Consiglio Di Nino | Conservative | Ontario | Resigned | |
| July 21, 2012 | W. David Angus | Conservative | Quebec (Alma) | Reached mandatory retirement age of 75 | |
| September 17, 2012 | Vivienne Poy | Liberal | Ontario (Toronto) | Resigned | |
| September 23, 2012 | Ethel Cochrane | Conservative | Newfoundland and Labrador | Reached mandatory retirement age of 75 | |
| October 19, 2012 | Robert Peterson | Liberal | Saskatchewan (Regina) | Reached mandatory retirement age of 75 | |
| November 6, 2012 | Gerry St. Germain | Conservative | British Columbia (Langley-Pemberton-Whistler) | Reached mandatory retirement age of 75 | |
| January 10, 2013 | Frank Mahovlich | Liberal | Ontario | Reached mandatory retirement age of 75 | |
| January 18, 2013 | Joyce Fairbairn | Liberal | Alberta (Lethbridge) | Resigned | |
| March 16, 2013 | Terry Stratton | Conservative | Manitoba (Red River) | Reached mandatory retirement age of 75 | |
| March 22, 2013 | Bert Brown | Conservative | Alberta | Reached mandatory retirement age of 75 | |
| May 11, 2013 | Doug Finley | Conservative | Ontario | Death | |
| August 2, 2013 | Pierre de Bané | Liberal | Quebec | Reached mandatory retirement age of 75 | |
| August 2, 2013 | Rod Zimmer | Liberal | Manitoba | Resigned due to health issues [3] | |
| August 26, 2013 | Mac Harb | Independent | Ontario | Resigned due to expense scandal. [4] | |
| November 16, 2013 | Donald Oliver | Conservative | Nova Scotia (South Shore) | Reached mandatory retirement age of 75 | |
| November 30, 2013 | Gerald J. Comeau | Conservative | Nova Scotia | Resigned [5] | |
| November 30, 2013 | David Braley | Conservative | Ontario | Resigned [6] | |
| June 15, 2014 | Hugh Segal | Conservative | Ontario | Resigned | |
| June 17, 2014 | Romeo Dallaire | Liberal | Quebec (Gulf) | Resigned | |
| July 17, 2014 | Andrée Champagne | Conservative | Quebec (Grandville) | Reached mandatory retirement age of 75 | |
| July 25, 2014 | Catherine Callbeck | Liberal | Prince Edward Island | Reached mandatory retirement age of 75 | |
| August 10, 2014 | JoAnne Buth | Conservative | Manitoba | Resigned [7] | |
| November 27, 2014 | Noël Kinsella | Conservative | New Brunswick (Fredericton-York-Sunbury) | Reached mandatory retirement age of 75 | |
| December 2, 2014 | Fernand Robichaud | Liberal | New Brunswick (Saint Louis de Kent) | Reached mandatory retirement age of 75 | |
| December 15, 2014 | Asha Seth | Conservative | Ontario | Reached mandatory retirement age of 75 | |
| January 31, 2015 | Jean-Claude Rivest | Independent | Quebec (Stadacona) | Resignation | |
| April 17, 2015 | Marie-P. Charette-Poulin | Liberal (Senate caucus) | Ontario | Resignation due to illness | |
| April 23, 2015 | Pierre Claude Nolin | Conservative | Quebec (De Salaberry) | Death | |
| June 20, 2015 | Suzanne Fortin-Duplessis | Conservative | Quebec (Rougemont) | Reached mandatory retirement age of 75 | |
| July 4, 2015 | Marjory LeBreton | Conservative | Ontario | Reached mandatory retirement age of 75 |
| Date | Name | Party (subsequent) | Party (previous) | Details | |
|---|---|---|---|---|---|
| February 7, 2013 | Patrick Brazeau | Independent | Conservative | Conservative whip withdrawn | |
| February 11, 2013 | Elaine McCoy | Independent Progressive Conservative | Progressive Conservative | [8] | |
| May 9, 2013 | Mac Harb | Independent | Liberal | Resigned Liberal whip | |
| May 16, 2013 | Mike Duffy | Independent | Conservative | Resigned Conservative whip [9] | |
| May 17, 2013 | Pamela Wallin | Independent | Conservative | Resigned Conservative whip [10] | |
| November 21, 2013 | Colin Kenny | Independent | Liberal | Withdrew from Liberal caucus after sexual harassment complaint. [11] [12] | |
| January 29, 2014 | All 32 Liberal senators | Liberal (Senate caucus) | Liberal | All Liberal senators are removed from parliament caucus. [13] | |
| June 30, 2014 | Colin Kenny | Liberal (Senate caucus) | Independent | Invited back into Liberal caucus. [12] | |
| June 15, 2015 | Pierre-Hugues Boisvenu | Independent | Conservative | Resigned from caucus due to RCMP investigation into his expenses. [14] | |
| June 17, 2015 | Don Meredith | Independent | Conservative | Conservative whip withdrawn |
The party standings have changed as follows since the election of the 41st Parliament on May 2, 2011:
| May 2, 2011 – May 9, 2013 | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of members per party by date | 2011 | 2012 | 2013 | |||||||||||||||||||||||||||||
| May 2 | May 13 | May 25 | Jun 13 | Sep 7 | Sep 21 | Sep 26 | Oct 17 | Dec 2 | Dec 17 | Jan 6 | Jan 17 | Feb 6 | Feb 9 | Feb 20 | Jun 18 | Jun 30 | Jul 21 | Sep 6 | Sep 17 | Sep 23 | Oct 19 | Nov 6 | Jan 10 | Jan 18 | Jan 25 | Feb 7 | Feb 11 | Mar 16 | Mar 22 | Mar 25 | ||
| Conservative | 52 | 54 | 55 | 54 | 59 | 60 | 59 | 58 | 59 | 58 | 57 | 62 | 61 | 60 | 65 | 64 | 63 | 62 | 63 | |||||||||||||
| Liberal | 46 | 45 | 44 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 36 | |||||||||||||||||||||
| Independent | 2 | 3 | ||||||||||||||||||||||||||||||
| Senate Progressive Conservative Caucus | 2 | 1 | 0 | |||||||||||||||||||||||||||||
| Independent Progressive Conservative | 0 | 1 | ||||||||||||||||||||||||||||||
| Total members | 102 | 101 | 103 | 104 | 103 | 102 | 101 | 100 | 99 | 98 | 103 | 104 | 103 | 102 | 103 | 102 | 101 | 100 | 105 | 104 | 103 | 102 | 101 | 100 | 99 | 104 | 103 | 102 | 103 | |||
| Vacant | 3 | 4 | 2 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 2 | 1 | 2 | 3 | 2 | 3 | 4 | 5 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 1 | 2 | 3 | 2 | |||
| Government majority | 2 | 3 | 5 | 6 | 7 | 6 | 7 | 8 | 9 | 10 | 15 | 16 | 15 | 14 | 15 | 16 | 15 | 14 | 19 | 20 | 19 | 20 | 19 | 20 | 21 | 26 | 24 | 23 | 22 | 23 | ||
| May 9, 2013 – present | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of members per party by date | 2013 | 2014 | 2015 | |||||||||||||||||||||||||||||
| May 9 | May 11 | May 16 | May 17 | Aug 2 | Aug 26 | Nov 16 | Nov 21 | Nov 30 | Jan 29 | Jun 15 | Jun 17 | Jun 30 | Jul 17 | Jul 25 | Aug 10 | Nov 27 | Dec 2 | Dec 15 | Jan 31 | Apr 17 | Apr 23 | Jun 15 | Jun 17 | Jun 20 | Jul 4 | |||||||
| Conservative | 63 | 62 | 61 | 60 | 59 | 57 | 56 | 55 | 54 | 53 | 52 | 51 | 50 | 49 | 48 | 47 | ||||||||||||||||
| Liberal | 35 | 33 | 32 | 0 | ||||||||||||||||||||||||||||
| Senate Liberal Caucus | 0 | 32 | 31 | 32 | 31 | 30 | 29 | |||||||||||||||||||||||||
| Independent | 4 | 5 | 6 | 5 | 6 | 5 | 4 | 5 | 6 | |||||||||||||||||||||||
| Independent Progressive Conservative | 1 | |||||||||||||||||||||||||||||||
| Total members | 103 | 102 | 100 | 99 | 98 | 96 | 95 | 94 | 93 | 92 | 91 | 90 | 89 | 88 | 87 | 86 | 85 | 84 | 83 | |||||||||||||
| Vacant | 2 | 3 | 5 | 6 | 7 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | |||||||||||||
| Government majority | 23 | 22 | 20 | 18 | 20 | 21 | 20 | 18 | 17 | 18 | 17 | 18 | 17 | 16 | 17 | 16 | 17 | 18 | 16 | 15 | 13 | 12 | 11 | |||||||||