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Portrait of Sandra Day O'Connor, Associate Justice of the Supreme Court of the United States
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Historical · Supreme Court of the United States

Sandra Day O'Connor

Former Associate Justice · Supreme Court of the United States · 1981–2023 · Appointed by Ronald Reagan

Sandra Day O'Connor served as an Associate Justice of the Supreme Court of the United States (1981–2023) was appointed by Ronald Reagan. The page below collects sourced biographical facts, the appointment record, and provenance for O'Connor.

FJC ID: 1385891

Key facts

Full name
Sandra Day O'Connor
Court
Supreme Court of the United States
Role
Associate Justice
Status
Former justice
Seat
SCT0910
Appointed by
Ronald Reagan
Appointment
Senate-confirmed
Confirmed
1981-09-21
Supreme Court service
1981–2023
Took seat
1981
Born
1930
Died
2023
Dataset version
1.20260616

Appointment & service record

  • Associate Justice of the Supreme Court of the United States · 1981–2023

    Seat
    SCT0910
    Appointing president
    Ronald Reagan
    Appointment
    Senate-confirmed
    Confirmed
    September 21, 1981

Seat, appointing president, appointment type, confirmation date, and service dates are drawn from the Federal Judicial Center Biographical Directory and the Supreme Court's own members roster.[1][2][3]

Sources

  1. [1]https://www.fjc.gov/node/1385891fjc · retrieved 2026-06-16
  2. [2]https://www.supremecourt.gov/about/members_text.aspxsupremecourt.gov · retrieved 2026-06-16
  3. [3]https://www.fjc.gov/history/judges/biographical-directory-article-iii-federal-judges-exportfjc-directory · retrieved 2026-06-16

Biographical narrative

1,085 words · sourced from the Wikipedia REST extract

Sandra Day O Connor served as an associate justice on the United States Supreme Court for more than three decades, becoming the first woman to hold that position. Nominated by President Ronald Reagan and confirmed in September 1981, she occupied a seat on the Court until her retirement announcement in July 2005, with her successor joining in January 2006. Throughout her tenure, O Connor was known for her moderate conservative outlook and frequent role as a swing vote, often writing concurring opinions that sought to constrain the scope of majority rulings. After leaving the bench she continued public service as chancellor of the College of William & Mary and received the Presidential Medal of Freedom in 2009. She passed away on December 1, 2023, at the age of 93.

Sandra Day O Connor was born on March 26, 1930, in El Paso, Texas, to Harry Alfred Day, a rancher, and Ada Mae (Wilkey). She grew up on a large cattle ranch near Duncan, Arizona, as well as in El Paso; the family’s remote location meant that running water and electricity were not available until she was seven years old. The household was modest: her father managed the ranch, while her mother raised two younger siblings—a sister and a brother—who would later become involved in public life themselves. O Connor attended the Radford School for Girls, a private institution that served students from the ranch community, and graduated sixth in her class at Austin High School in El Paso in 1946.

At age sixteen she entered Stanford University, where she earned a Bachelor of Arts in economics in 1950, graduating magna cum laude. She was inspired by Professor Harry Rathbun to pursue law, enrolling at Stanford Law School the same year. O Connor graduated near the top of her class in 1952, earning membership in the Order of the Coif and serving on the Stanford Law Review; its then‑editor‑in‑chief would later become Chief Justice William Rehnquist.

O Connor married John Jay O’Connor III on December 20, 1952, at her family ranch. After graduation she faced limited employment opportunities for women in law and accepted a position as deputy county attorney in San Mateo County, California, working initially without salary or office space. She later served with the San Mateo County District Attorney’s Office, performing legal research and drafting memos.

When her husband was drafted into military service, O Connor joined him in Germany, acting as a civilian attorney for the Army Quartermaster Corps for three years. Upon their return to the United States they settled in Maricopa County, Arizona, where she established a private law practice. She had three sons—Scott (born 1958), Brian (1960), and Jay (1962)—and took a five‑year hiatus from practicing law after the birth of her second child.

O Connor’s public service began with volunteer work for political organizations such as the Maricopa County Young Republicans and participation in Barry Goldwater’s presidential campaign in 1964. From 1965 to 1969 she served as assistant Attorney General of Arizona, gaining experience in state legal affairs. In 1969 the governor appointed her to fill a vacancy in the Arizona Senate; she was subsequently elected to that seat in 1970 and served two full terms. By 1973 she became the first woman to serve as majority leader in any U.S. state senate, earning a reputation for negotiation skills and moderation.

In 1974 O Connor was appointed to the Maricopa County Superior Court, where she presided over cases until 1979, when she advanced to the Arizona Court of Appeals. During her appellate tenure she handled significant criminal matters, including an aggravated assault case in which she found a defendant not guilty by reason of insanity and remanded him to a state hospital.

Supreme Court tenure

President Ronald Reagan nominated O Connor to fill the vacancy left by Justice William H. Rehnquist’s elevation to Chief Justice. The United States Senate confirmed her on September 21, 1981, and she took her seat as an associate justice that same year. She served on the Court from 1981 until her retirement announcement on July 1, 2005; her successor was confirmed in January 2006.

Throughout her service O Connor was frequently described as a swing vote. While generally aligning with the conservative bloc of the Court, she also sided with liberal justices on occasion and authored concurring opinions that limited the reach of majority decisions. Her most prominent majority opinions include rulings in cases such as *Grutter v. Bollinger* and *Hamdi v. Rumsfeld*. In 2000 she contributed to the per curiam majority opinion in *Bush v. Gore*, and in 1992 she was one of three co‑authors of the lead opinion in *Planned Parenthood v. Casey*, which preserved legal access to abortion.

O Connor announced her retirement on July 1, 2005, effective upon confirmation of a successor. President George W. Bush nominated Justice Samuel Alito to fill her seat; Alito was confirmed and joined the Court on January 31, 2006. At the time of her death in 2023, O Connor remained the last living member of the Burger Court.

After leaving the Supreme Court, O Connor succeeded Henry Kissinger as chancellor of the College of William & Mary. In recognition of her public service she received the Presidential Medal of Freedom from President Barack Obama in 2009.

Jurisprudence and legacy

O Connor’s judicial philosophy has been characterized as moderate conservative. She often approached cases with an emphasis on restraint, preferring to limit the scope of majority rulings through concurring opinions rather than broad expansions of precedent. Her willingness to cross ideological lines contributed to her reputation as a pivotal swing vote during a period in which the Court’s decisions frequently hinged on narrow margins.

Her impact extended beyond individual opinions; she helped shape the dynamics of the Supreme Court by providing a balancing perspective within the conservative majority. The cases in which she wrote majority opinions—*Grutter v. Bollinger*, *Hamdi v. Rumsfeld*, *Bush v. Gore*, and *Planned Parenthood v. Casey*—are frequently cited as landmark decisions that have influenced American constitutional law.

O Connor’s legacy also includes her trailblazing role as the first woman to serve on the Supreme Court, a milestone that broadened representation in the federal judiciary. Her post‑judicial service as chancellor of William & Mary and receipt of the Presidential Medal of Freedom further underscore her continued influence in public life.

She died on December 1, 2023, leaving behind a record of judicial restraint, bipartisan collaboration, and pioneering leadership within the United States Supreme Court.

Sources & provenance

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