Justices Serving on the Court 1990 – 2009
The following figures and tables include the names of the Justices serving on the Court and Martin Quinn scores for the indicated year. Each table also includes the name of the appointing President, the President’s party affiliation and the years each Justice served on the Court. The first Justice listed is the Chief Justice of the Supreme Court.
1990
Justices serving on the Court and Martin Quinn Ideology scores, 1990
Justices serving on the Court, 1990
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
1.2 |
Reagan |
Republican |
1987-2018 |
Scalia |
2.149 |
Reagan |
Republican |
1986-2016 |
White |
0.616 |
Kennedy |
Democrat |
1961-1993 |
Souter |
0.968 |
Bush, G.H.W |
Republican |
1990-2009 |
Blackmun |
-1.181 |
Nixon |
Republican |
1969-1994 |
Stevens |
-1.725 |
Ford |
Republican |
1975-2010 |
O’Connor |
1.142 |
Reagan |
Republican |
1981-2006 |
Marshall |
-4.322 |
Johnson |
Democrat |
1967-1991 |
Rehnquist |
2.402 |
Nixon |
Republican |
1971-2005 |
Chief Justice, 1990
Chief Justice |
Median |
Court Score |
Rehnquist |
0.916 |
0.14 |
1991
Justices serving on the Court and Martin Quinn Ideology scores, 1991
Justices serving on the Court, 1991
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.85 |
Reagan |
Republican |
1987-2018 |
Scalia |
2.511 |
Reagan |
Republican |
1986-2016 |
White |
0.634 |
Kennedy |
Democrat |
1961-1993 |
Thomas |
2.739 |
Bush, G.H.W |
Republican |
1991- |
Souter |
0.605 |
Bush, G.H.W |
Republican |
1990-2009 |
Blackmun |
-1.437 |
Nixon |
Republican |
1969-1994 |
Stevens |
-2.163 |
Ford |
Republican |
1975-2010 |
O’Connor |
0.697 |
Reagan |
Republican |
1981-2006 |
Rehnquist |
2.136 |
Nixon |
Republican |
1971-2005 |
1992
Justices serving on the Court and Martin Quinn Ideology scores, 1992
Justices serving on the Court, 1992
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
1.033 |
Reagan |
Republican |
1987-2018 |
Scalia |
2.555 |
Reagan |
Republican |
1986-2016 |
White |
0.581 |
Kennedy |
Democrat |
1961-1993 |
Thomas |
3.034 |
Bush, G.H.W |
Republican |
1991- |
Souter |
0.257 |
Bush, G.H.W |
Republican |
1990-2009 |
Blackmun |
-1.647 |
Nixon |
Republican |
1969-1994 |
Stevens |
-2.37 |
Ford |
Republican |
1975-2010 |
O’Connor |
0.85 |
Reagan |
Republican |
1981-2006 |
Rehnquist |
2.071 |
Nixon |
Republican |
1971-2005 |
1993
Justices serving on the Court and Martin Quinn Ideology scores, 1993
Justices serving on the Court, 1993
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.874 |
Reagan |
Republican |
1987-2018 |
Scalia |
2.651 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.419 |
Bush, G.H.W |
Republican |
1991- |
Souter |
-0.235 |
Bush, G.H.W |
Republican |
1990-2009 |
Blackmun |
-1.931 |
Nixon |
Republican |
1969-1994 |
Stevens |
-2.579 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-0.211 |
Clinton |
Democrat |
1993-2020 |
O’Connor |
1.014 |
Reagan |
Republican |
1981-2006 |
Rehnquist |
1.881 |
Nixon |
Republican |
1971-2005 |
1994
Justices serving on the Court and Martin Quinn Ideology scores, 1994
Justices serving on the Court, 1994
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.851 |
Reagan |
Republican |
1987-2018 |
Scalia |
2.897 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.643 |
Bush, G.H.W |
Republican |
1991- |
Souter |
-0.336 |
Bush, G.H.W |
Republican |
1990-2009 |
Stevens |
-3.003 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-0.451 |
Clinton |
Democrat |
1993-2020 |
O’Connor |
0.835 |
Reagan |
Republican |
1981-2006 |
Breyer |
-0.335 |
Clinton |
Democrat |
1994-2022 |
Rehnquist |
1.878 |
Nixon |
Republican |
1971-2005 |
1995
Justices serving on the Court and Martin Quinn Ideology scores, 1995
Justices serving on the Court, 1995
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.746 |
Reagan |
Republican |
1987-2018 |
Scalia |
3.181 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.737 |
Bush, G.H.W |
Republican |
1991- |
Souter |
-0.38 |
Bush, G.H.W |
Republican |
1990-2009 |
Stevens |
-3.266 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-0.532 |
Clinton |
Democrat |
1993-2020 |
O’Connor |
0.874 |
Reagan |
Republican |
1981-2006 |
Breyer |
-0.505 |
Clinton |
Democrat |
1994-2022 |
Rehnquist |
1.849 |
Nixon |
Republican |
1971-2005 |
1996
Justices serving on the Court and Martin Quinn Ideology scores, 1996
Justices serving on the Court, 1996
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.84 |
Reagan |
Republican |
1987-2018 |
Scalia |
3.404 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.806 |
Bush, G.H.W |
Republican |
1991- |
Souter |
-0.321 |
Bush, G.H.W |
Republican |
1990-2009 |
Stevens |
-3.392 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-0.601 |
Clinton |
Democrat |
1993-2020 |
O’Connor |
0.988 |
Reagan |
Republican |
1981-2006 |
Breyer |
-0.748 |
Clinton |
Democrat |
1994-2022 |
Rehnquist |
1.687 |
Nixon |
Republican |
1971-2005 |
Chief Justice, 1996
Chief Justice |
Median |
Court Score |
Rehnquist |
0.788 |
0.63 |
1997
Justices serving on the Court and Martin Quinn Ideology scores, 1997
Justices serving on the Court, 1997
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.827 |
Reagan |
Republican |
1987-2018 |
Scalia |
3.48 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.793 |
Bush, G.H.W |
Republican |
1991- |
Souter |
-0.418 |
Bush, G.H.W |
Republican |
1990-2009 |
Stevens |
-3.361 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-0.73 |
Clinton |
Democrat |
1993-2020 |
O’Connor |
1.102 |
Reagan |
Republican |
1981-2006 |
Breyer |
-0.779 |
Clinton |
Democrat |
1994-2022 |
Rehnquist |
1.67 |
Nixon |
Republican |
1971-2005 |
1998
Justices serving on the Court and Martin Quinn Ideology scores, 1998
Justices serving on the Court, 1998
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.953 |
Reagan |
Republican |
1987-2018 |
Scalia |
3.455 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.819 |
Bush, G.H.W |
Republican |
1991- |
Souter |
-0.484 |
Bush, G.H.W |
Republican |
1990-2009 |
Stevens |
-3.379 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-0.796 |
Clinton |
Democrat |
1993-2020 |
O’Connor |
1.003 |
Reagan |
Republican |
1981-2006 |
Breyer |
-0.747 |
Clinton |
Democrat |
1994-2022 |
Rehnquist |
1.884 |
Nixon |
Republican |
1971-2005 |
1999
Justices serving on the Court and Martin Quinn Ideology scores, 1999
Justices serving on the Court, 1999
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
1.092 |
Reagan |
Republican |
1987-2018 |
Scalia |
3.537 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.772 |
Bush, G.H.W |
Republican |
1991- |
Souter |
-0.934 |
Bush, G.H.W |
Republican |
1990-2009 |
Stevens |
-3.319 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-1.25 |
Clinton |
Democrat |
1993-2020 |
O’Connor |
0.891 |
Reagan |
Republican |
1981-2006 |
Breyer |
-0.781 |
Clinton |
Democrat |
1994-2022 |
Rehnquist |
1.747 |
Nixon |
Republican |
1971-2005 |
Chief Justice, 1999
Chief Justice |
Median |
Court Score |
Rehnquist |
0.85 |
0.53 |
Alden v. Maine (1999)
2000
Justices serving on the Court and Martin Quinn Ideology scores, 2000
Justices serving on the Court, 2000
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.971 |
Reagan |
Republican |
1987-2018 |
Scalia |
3.535 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.797 |
Bush, G.H.W |
Republican |
1991- |
Souter |
-1.21 |
Bush, G.H.W |
Republican |
1990-2009 |
Stevens |
-3.143 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-1.487 |
Clinton |
Democrat |
1993-2020 |
O’Connor |
0.604 |
Reagan |
Republican |
1981-2006 |
Breyer |
-1.228 |
Clinton |
Democrat |
1994-2022 |
Rehnquist |
1.685 |
Nixon |
Republican |
1971-2005 |
2001
Justices serving on the Court and Martin Quinn Ideology scores, 2001
Justices serving on the Court, 2001
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
1.059 |
Reagan |
Republican |
1987-2018 |
Scalia |
3.382 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.767 |
Bush, G.H.W |
Republican |
1991- |
Souter |
-1.397 |
Bush, G.H.W |
Republican |
1990-2009 |
Stevens |
-3.036 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-1.616 |
Clinton |
Democrat |
1993-2020 |
O’Connor |
0.372 |
Reagan |
Republican |
1981-2006 |
Breyer |
-1.303 |
Clinton |
Democrat |
1994-2022 |
Rehnquist |
1.428 |
Nixon |
Republican |
1971-2005 |
Chief Justice, 2001
Chief Justice |
Median |
Court Score |
Rehnquist |
0.371 |
0.30 |
2002
Justices serving on the Court and Martin Quinn Ideology scores, 2002
Justices serving on the Court, 2002
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.902 |
Reagan |
Republican |
1987-2018 |
Scalia |
3.091 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.898 |
Bush, G.H.W |
Republican |
1991- |
Souter |
-1.514 |
Bush, G.H.W |
Republican |
1990-2009 |
Stevens |
-2.924 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-1.683 |
Clinton |
Democrat |
1993-2020 |
O’Connor |
0.263 |
Reagan |
Republican |
1981-2006 |
Breyer |
-1.309 |
Clinton |
Democrat |
1994-2022 |
Rehnquist |
1.262 |
Nixon |
Republican |
1971-2005 |
Chief Justice, 2002
Chief Justice |
Median |
Court Score |
Rehnquist |
0.262 |
0.22 |
2003
Justices serving on the Court and Martin Quinn Ideology scores, 2003
Justices serving on the Court, 2003
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.771 |
Reagan |
Republican |
1987-2018 |
Scalia |
2.927 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.92 |
Bush, G.H.W |
Republican |
1991- |
Souter |
-1.66 |
Bush, G.H.W |
Republican |
1990-2009 |
Stevens |
-2.914 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-1.754 |
Clinton |
Democrat |
1993-2020 |
O’Connor |
0.224 |
Reagan |
Republican |
1981-2006 |
Breyer |
-1.23 |
Clinton |
Democrat |
1994-2022 |
Rehnquist |
1.396 |
Nixon |
Republican |
1971-2005 |
2004
Justices serving on the Court and Martin Quinn Ideology scores, 2004
Justices serving on the Court, 2004
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.541 |
Reagan |
Republican |
1987-2018 |
Scalia |
2.727 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.966 |
Bush, G.H.W |
Republican |
1991- |
Souter |
-1.613 |
Bush, G.H.W |
Republican |
1990-2009 |
Stevens |
-2.909 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-1.683 |
Clinton |
Democrat |
1993-2020 |
O’Connor |
0.12 |
Reagan |
Republican |
1981-2006 |
Breyer |
-1.067 |
Clinton |
Democrat |
1994-2022 |
Rehnquist |
1.459 |
Nixon |
Republican |
1971-2005 |
2005
Justices serving on the Court and Martin Quinn Ideology scores, 2005
Justices serving on the Court, 2005
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.501 |
Reagan |
Republican |
1987-2018 |
Scalia |
2.636 |
Reagan |
Republican |
1986-2016 |
Thomas |
4.002 |
Bush, G.H.W |
Republican |
1991- |
Souter |
-1.526 |
Bush, G.H.W |
Republican |
1990-2009 |
Roberts |
1.396 |
Bush, G.W |
Republican |
2005- |
Stevens |
-2.858 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-1.572 |
Clinton |
Democrat |
1993-2020 |
Alito |
1.429 |
Bush, G.W |
Republican |
2005- |
O’Connor |
0.072 |
Reagan |
Republican |
1981-2006 |
Breyer |
-1.236 |
Clinton |
Democrat |
1994-2022 |
2006
Justices serving on the Court and Martin Quinn Ideology scores, 2006
Justices serving on the Court, 2006
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.461 |
Reagan |
Republican |
1987-2018 |
Scalia |
2.608 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.976 |
Bush, G.H.W |
Republican |
1991- |
Souter |
-1.422 |
Bush, G.H.W |
Republican |
1990-2009 |
Roberts |
1.428 |
Bush, G.W |
Republican |
2005- |
Stevens |
-2.817 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-1.684 |
Clinton |
Democrat |
1993-2020 |
Alito |
1.465 |
Bush, G.W |
Republican |
2005- |
Breyer |
-1.368 |
Clinton |
Democrat |
1994-2022 |
Chief Justice, 2006
Chief Justice |
Median |
Court Score |
Roberts |
0.461 |
0.29 |
2007
Justices serving on the Court and Martin Quinn Ideology scores, 2007
Justices serving on the Court, 2007
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.412 |
Reagan |
Republican |
1987-2018 |
Scalia |
2.458 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.842 |
Bush, G.H.W |
Republican |
1991- |
Souter |
-1.495 |
Bush, G.H.W |
Republican |
1990-2009 |
Roberts |
1.418 |
Bush, G.W |
Republican |
2005- |
Stevens |
-2.691 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-1.673 |
Clinton |
Democrat |
1993-2020 |
Alito |
1.559 |
Bush, G.W |
Republican |
2005- |
Breyer |
-1.279 |
Clinton |
Democrat |
1994-2022 |
Chief Justice, 2007
Chief Justice |
Median |
Court Score |
Roberts |
0.412 |
0.28 |
2008
Justices serving on the Court and Martin Quinn Ideology scores, 2008
Justices serving on the Court, 2008
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.522 |
Reagan |
Republican |
1987-2018 |
Scalia |
2.312 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.494 |
Bush, G.H.W |
Republican |
1991- |
Roberts |
1.394 |
Bush, G.W |
Republican |
2005- |
Stevens |
-2.862 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-1.67 |
Clinton |
Democrat |
1993-2020 |
Alito |
1.855 |
Bush, G.W |
Republican |
2005- |
Breyer |
-1.321 |
Clinton |
Democrat |
1994-2022 |
Sotomayor |
-1.592 |
Obama |
Democrat |
2008- |
Chief Justice, 2008
Chief Justice |
Median |
Court Score |
Roberts |
0.579 |
0.24 |
2009
Justices serving on the Court and Martin Quinn Ideology scores, 2009
Justices serving on the Court, 2009
Justice |
Mean |
President |
Party of President |
Years Served |
Kennedy |
0.522 |
Reagan |
Republican |
1987-2018 |
Scalia |
2.312 |
Reagan |
Republican |
1986-2016 |
Thomas |
3.494 |
Bush, G.H.W |
Republican |
1991- |
Roberts |
1.394 |
Bush, G.W |
Republican |
2005- |
Stevens |
-2.862 |
Ford |
Republican |
1975-2010 |
Ginsburg |
-1.67 |
Clinton |
Democrat |
1993-2020 |
Alito |
1.855 |
Bush, G.W |
Republican |
2005- |
Breyer |
-1.321 |
Clinton |
Democrat |
1994-2022 |
Sotomayor |
-1.592 |
Obama |
Democrat |
2008- |
Chief Justice, 2009
Chief Justice |
Median |
Court Score |
Roberts |
0.522 |
0.24 |