Senator Lifespan PartyC=Conservative, I=Independent, IC=Independent Conservative, IL=Independent Liberal, IND=Independent New Democratic, L=Liberal, NA=Non-affiliated, PC=Progressive Conservative Prov. Entered Left Appointed by Left due to For life? Jean-Guy Dagenais 1950–present C QC 17 January 2012 — Harper — Armand Daigle 1892–1957 L QC 3 March 1944 8 March 1957 King Death Y Roméo Dallaire 1946–present L QC 24 March 2005 17 June 2014 Martin Resignation Pierre Dalphond 1954–present QC 6 June 2018 — Trudeau, J. — Raoul Dandurand 1861–1942 L QC 22 January 1898 11 March 1942 Laurier Death Y John Waterhouse Daniel 1845–1933 C NB 18 March 1912 11 January 1933 Borden Death Y Donna Dasko 1951–present ON 6 June 2018 — Trudeau, J. — Keith Davey 1926–2011 L ON 24 February 1966 1 July 1996 Pearson Resignation Athanase David 1882–1953 L QC 9 February 1940 26 January 1953 King Death Y Laurent-Olivier David 1840–1926 L QC 19 June 1903 24 August 1926 Laurier Death Y Paul David 1919–1999 PC QC 16 April 1985 25 December 1994 Mulroney Retirement Rupert Davies 1879–1967 L ON 19 November 1942 11 March 1967 King Death Y John Caswell Davis 1888–1953 L MB 25 January 1949 25 October 1953 St. Laurent Death Y Thomas Osborne Davis 1856–1917 L NTSK 30 September 19041 September 1905 1 September 190523 January 1917 Laurier Death Y Dennis Dawson 1949–present L QC 2 August 2005 8 February 2023 Martin Resignation Joseph A. Day 1945–2024 L NB 4 October 2001 24 January 2020 Chrétien Retirement Pierre de Bané 1938–2019 L QC 29 June 1984 2 August 2013 Trudeau, P. Retirement Robert de Cotret 1944–1999 PC ON 5 June 1979 14 January 1980 Clark Resignation Colin Deacon 1959–present NS 15 June 2018 — Trudeau, J. — Marty Deacon 1958–present ON 15 February 2018 — Trudeau, J. — Tony Dean 1953–present NA ON 10 November 2016 — Trudeau, J. — Pierre Antoine Deblois 1815–1898 C QC 13 February 1883 21 June 1898 Macdonald Death Y Alphonse-Arthur Miville Déchêne 1848–1902 L QC 13 May 1901 1 May 1902 Laurier Death Y Jacques Demers 1944–present C→NA QC 27 August 2009 25 August 2019 Harper Retirement Azellus Denis 1907–1991 L QC 3 February 1964 4 September 1991 Pearson Death Y William Dennis 1856–1920 IC NS 20 November 1912 11 July 1920 Borden Death Y William Henry Dennis 1887–1954 C NS 3 February 1932 18 January 1954 Bennett Death Y Daniel Derbyshire 1846–1916 L ON 22 November 1907 18 June 1916 Laurier Death Y Jean-Paul Deschatelets 1912–1986 L QC 24 February 1966 10 January 1986 Pearson Resignation Alphonse Desjardins 1841–1912 C QC 1 October 1892 16 June 1896 Abbott Resignation Y Jean Noël Desmarais 1924–1995 PC ON 4 June 1993 25 July 1995 Mulroney Death Paul Desruisseaux 1905–1982 L QC 8 July 1966 1 May 1980 Pearson Retirement Georges-Casimir Dessaulles 1827–1930 L QC 12 March 1907 19 April 1930 Laurier Death Y Jean-Marie Dessureault 1888–1970 L QC 9 June 1945 16 August 1970 King Resignation Y Leverett George DeVeber 1849–1925 L AB 8 March 1906 9 July 1925 Laurier Death Y James Dever 1825–1904 L NB 14 March 1868 7 May 1904 Macdonald Death Y Mabel DeWare 1926–2022 PC NB 23 September 1990 9 August 2001 Mulroney Retirement Baltej Singh Dhillon 1966–present BC 7 February 2025 Trudeau, J. Consiglio Di Nino 1938–present C ON 30 August 1990 30 June 2012 Mulroney Retirement Robert B. Dickey 1812–1903 C NS 23 October 1867 14 July 1903 Royal proclamation Death Y Fred Dickson 1937–2012 C NS 22 December 2008 9 February 2012 Harper Death Walter Hamilton Dickson 1806–1885 C ON 23 October 1867 19 February 1884 Royal proclamation Resignation Y John Dobson 1824–1907 C ON 23 February 1892 27 January 1907 Abbott Death Y James Domville 1842–1921 L NB 20 April 1903 30 July 1921 Laurier Death Y Richard Donahoe 1909–2000 PC NS 13 September 1979 27 September 1984 Clark Retirement James J. Donnelly 1866–1948 C ON 26 May 1913 20 October 1948 Borden Death Y C. William Doody 1931–2005 C NL 3 October 1979 27 December 2005 Clark Death James Joseph Hayes Doone 1888–1953 L NB 25 June 1949 6 April 1953 St. Laurent Death Y James Moffat Douglas 1839–1920 IL SK 8 March 1906 19 August 1920 Laurier Death Y Percy Downe 1954–present L PE 26 June 2003 — Chrétien — Norman Doyle 1945–present C NL 6 January 2012 11 November 2020 Harper Retirement Richard Doyle 1923–2003 PC ON 19 March 1985 10 March 1998 Mulroney Retirement Mark Robert Drouin 1903–1963 PC QC 4 October 1957 12 October 1963 Diefenbaker Death Y George Alexander Drummond 1829–1910 C QC 1 December 1888 2 February 1910 Macdonald Death Y Pamphile Réal Du Tremblay 1879–1955 L QC 19 November 1942 6 October 1955 King Death Y Antoine Juchereau Duchesnay 1809–1886 C QC 23 October 1867 7 January 1871 Royal proclamation Resignation Y Elzéar-Henri Juchereau Duchesnay 1809–1871 C QC 23 October 1867 12 May 1871 Royal proclamation Death Y William Duff 1872–1953 L NS 28 February 1936 25 April 1953 King Death Y Joseph James Duffus 1876–1957 L ON 15 February 1940 7 February 1957 King Death Y Mike Duffy 1946–present C→NA PE 2 January 2009 27 May 2021 Harper Retirement James Duggan 1903–1980 L NL 8 July 1966 28 February 1978 Pearson Resignation Ron Duhamel 1938–2002 L MB 15 January 2002 30 September 2002 Chrétien Death Léandre Dumouchel 1811–1882 C QC 23 October 1867 23 September 1882 Royal proclamation Death Y Pat Duncan 1960–present YT 12 December 2018 — Trudeau, J. — Suzanne Duplessis 1940–present C QC 22 December 2008 30 June 2015 Harper Retirement Renée Dupuis 1949–present NA QC 10 November 2016 16 January 2024 Trudeau, J. Retirement Vincent Dupuis 1889–1967 L QC 18 April 1945 11 May 1967 King Death Y Lillian Dyck 1945–present IND→IL→L SK 24 March 2005 24 August 2020 Martin Retirement