Clarence Thomas (born June 23, 1948) is an American lawyer and jurist who has served since 1991 as an associate justice of the Supreme Court of the United States. President George H. W. Bush nominated him to succeed Thurgood Marshall. After Marshall, Thomas is the second African American to serve on the U.S. Supreme Court, has been its longest-serving justice since Anthony Kennedy's retirement in 2018, and is the second-longest serving justice in history.

Clarence Thomas
Supreme Court of the United States
Born 1948 in Savannah, GA
Circuit Justice for Eleventh Circuit
FJC ID: 2362
Career output and lasting influence
Opinions attributed per year · peak 11/year
Later decisions citing those opinions, per year · peak 6,319/year
District of Columbia Circuit Court of Appeals · 1990–1991District of Columbia District Court · 1990–1991Supreme Court of the United States · 1991–
Both charts share the same year axis. Opinion counts include only opinions in our corpus attributed to this judge so far — a year at zero can mean an attribution gap, not judicial silence. Influence typically outlasts the career: citations keep climbing after the last opinion.
- Gender
- Male
- Race
- African American
Prior employment
- Equal Employment Opportunity CommissionChairman · 1982–1990
- U.S. Department of EducationAssistant secretary for civil rights · 1981–1982
- U.S. Sen. John C. Danforth of MissouriLegislative assistant · 1979–1981
- Monsanto Company, St. Louis, MissouriAttorney · 1977–1979
Jefferson City, MissouriAssistant attorney general · 1974–1977
Appointments
1991–present · Appointed by George H.W. Bush (Republican)
1990–1991 · Appointed by George H.W. Bush (Republican)Term ended: Appointment to Another Judicial Position
Education
J.D. · 1974- College of the Holy CrossB.A. · 1971