List of justices of the United States Supreme Court in the 2000s
Posted: July 2025
List and bios of Justices of the United States Supreme Court who have served in the 2000s. Includes education and last position before the Supreme Court, and justice who was succeeded. Sourced primarily from the Supreme Court of the United States website.
Chief Justice: John G. Roberts Jr. (Sept. 29, 2005-present) — born January 27, 1955. Harvard College, Harvard Law School. United States Court of Appeals for the District of Columbia Circuit, 2003–2005. Replaced William Rehnquist. Appointed to Supreme Court by President George W. Bush. Confirmed 78-22.
Associate Justice: Clarence Thomas (Oct. 23, 1991-present) — born June 23, 1948. College of the Holy Cross, Yale Law School. United States Court of Appeals for the District of Columbia Circuit, 1990-1991. Replaced Thurgood Marshall. Appointed to Supreme Court by President George H.W. Bush. Confirmed 52-48.
Associate Justice: Samuel A. Alito Jr. (Jan. 31, 2006-present) — born April 1, 1950. Princeton University, Yale Law School. United States Court of Appeals for the Third Circuit, 1990-2006. Replaced Sandra Day O’Connor. Appointed to Supreme Court by President George W. Bush. Confirmed 58-42.
Associate Justice: Sonia Sotomayor (Aug. 8, 2009-present) — born June 25, 1954. Princeton University, Yale Law School. United States Court of Appeals for the Second Circuit, 1998–2009. Replaced David Souter. Appointed by President Barack Obama. Confirmed 68-31.
Associate Justice: Elena Kagan (Aug. 7, 2010-present) — born April 28, 1960. Princeton University, Oxford, Harvard Law School. Solicitor General of the United States, 2009-10. Replaced John Paul Stevens. Appointed by President Barack Obama. Confirmed 63-37.
Associate Justice: Neil M. Gorsuch (April 10, 2017-present) — born Aug. 29, 1967. Columbia University, Harvard Law School, Oxford. United States Court of Appeals for the Tenth Circuit, 2006-2017. Replaced Antonin Scalia. Appointed by President Donald Trump. Confirmed 54-45.
Associate Justice: Brett M. Kavanaugh (Oct. 6, 2018-present) — born Feb. 12, 1965. Yale College, Yale Law School. United States Court of Appeals for the District of Columbia Circuit, 2006-2018. Replaced Anthony M. Kennedy. Appointed by President Donald Trump. Confirmed 50-48.
Associate Justice: Amy Coney Barrett (Oct. 27, 2020-present) — born Jan. 28, 1972. Rhodes College, Notre Dame Law School. United States Court of Appeals for the Seventh Circuit, 2017-2020. Replaced Ruth Bader Ginsburg. Appointed by President Donald Trump. Confirmed 52-48.
Associate Justice: Ketanji Brown Jackson (June 30, 2022-present) — born Sept. 14, 1970. Harvard-Radcliffe College, Harvard Law School. United States Court of Appeals for the District of Columbia Circuit, 2021-2022. Replaced Stephen G. Breyer. Appointed by President Joe Biden. Confirmed 53-47.
Associate Justice: Stephen G. Breyer (retired) (Aug. 3, 1994-June 30, 2022) — born Aug. 15, 1938. Stanford University, Oxford, Harvard Law School. United States Court of Appeals for the First Circuit, 1980-1994. Replaced Harry Blackmun. Appointed by President Bill Clinton. Confirmed 87-9.
Associate Justice: Ruth Bader Ginsburg (died Sept. 18, 2020) (Aug. 10, 1993-Sept. 18, 2020) — born March 15, 1933. Cornell University, Harvard Law School, Columbia Law School. United States Court of Appeals for the District of Columbia Circuit, 1980-1993. Replaced Byron White. Appointed by President Bill Clinton. Confirmed 96-3.
Associate Justice: Anthony M. Kennedy (retired) (Feb. 18, 1988-July 31, 2018) — born July 23, 1936. Stanford University, London School of Economics, Harvard Law School. United States Court of Appeals for the Ninth Circuit, 1975-1988. Replaced Lewis F. Powell Jr. Appointed by President Ronald Reagan. Confirmed 97-0.
Associate Justice: Antonin Scalia (died Feb. 13, 2016) (Sept. 26, 1986-Feb. 13, 2016) — born March 11, 1936. Georgetown University, Harvard Law School. U.S. Court of Appeals for the District of Columbia Circuit, 1982-1986. Replaced William Rehnquist. Appointed by President Ronald Reagan. Confirmed 98-0.
Associate Justice: John Paul Stevens (died July 16, 2019) (Dec. 19, 1975-June 29, 2010) — born April 20, 1920. University of Chicago, Northwestern University School of Law. United States Court of Appeals for the Seventh Circuit, 1970-1975. Replaced William O. Douglas. Appointed by President Gerald Ford. Confirmed 98-0.
Associate Justice: David Souter (died May 8, 2025) (Oct. 9, 1990-June 29, 2009) — born Sept. 17, 1939. Harvard College, Oxford, Harvard Law School. United States Court of Appeals for the First Circuit, 1990. Replaced William Brennan Jr. Appointed by President George H.W. Bush. Confirmed 90-9.
Associate Justice: Sandra Day O’Connor (died Dec. 1, 2023) (Sept. 25, 1981-Jan. 31, 2006) — born March 26, 1930. Arizona Court of Appeals for Division One, 1979-1981. Replaced Potter Stewart. Appointed by President Ronald Reagan. Confirmed 99-0.
Chief Justice/Associate Justice: William Rehnquist (died Sept. 3, 2005) (Associate Justice: Jan. 7, 1972–Sept. 26, 1986) (Chief Justice: Sept. 26, 1986-Sept. 3, 2005) — born Oct. 1, 1924. United States Assistant Attorney General for the Office of Legal Counsel, 1969-1971. Stanford University, Harvard University, Stanford Law School. Replaced John Marshall Harlan II (Associate Justice); replaced Warren E Burger (Chief Justice). Appointed by President Richard Nixon. Confirmed 68-26 (Associate Justice); 65-33 (Chief Justice)