Sandra Day O’Connor in AP US Government

Sandra Day O'Connor was the first woman appointed to the U.S. Supreme Court, nominated by President Reagan and confirmed by the Senate in 1981. In AP Gov, she illustrates the president's appointment power, the Senate confirmation check, and the influence of a swing vote on a closely divided Court.

Verified for the 2027 AP US Government examLast updated June 2026

What is Sandra Day O’Connor?

Sandra Day O'Connor was an Arizona attorney, state legislator, and judge whom President Ronald Reagan nominated to the Supreme Court in 1981, making her the first woman ever to serve as a justice. The Senate confirmed her unanimously, a clean example of the confirmation process working without conflict.

For AP Gov, O'Connor matters in two ways. First, her appointment shows how a president's longest-lasting influence comes through life-tenured judicial appointments, with Senate confirmation acting as the check on that power. Second, once on the bench she became the Court's classic swing vote. She sat ideologically near the center, so in close 5-4 cases her vote often decided the outcome. She favored judicial restraint and narrow, case-by-case rulings rather than sweeping decisions, which made her one of the most powerful single votes in the federal government until her retirement in 2006.

Why Sandra Day O’Connor matters in AP Gov

O'Connor lives in Unit 2: Interactions Among Branches of Government, specifically Topic 2.5: Checks on the Presidency, supporting learning objective AP Gov 2.5.A. The CED's essential knowledge says Senate confirmation is an important check on the president's appointment power, and that judicial appointments are where a president's influence lasts longest because justices serve for life. O'Connor is a perfect concrete example. Reagan left office in 1989, but his 1981 appointee kept shaping abortion, affirmative action, and federalism rulings for another 17 years. She also bridges into the judicial branch topics later in Unit 2, since her swing-vote role shows how the ideology of one justice can determine constitutional law for the whole country.

How Sandra Day O’Connor connects across the course

Checks and Balances (Unit 2)

O'Connor's confirmation is checks and balances in action. The president picks the nominee, but the Senate gets the final yes or no. Her smooth 1981 confirmation and Robert Bork's 1987 rejection are the two bookend examples of that same process.

Swing Vote (Unit 2)

O'Connor is the textbook swing vote. On a Court split 4-4 between ideological blocs, her centrist position meant lawyers literally wrote briefs aimed at persuading one person. That's why a single appointment can shift national policy.

Supreme Court (Unit 2)

Because justices serve for life, O'Connor shows why Supreme Court nominations are the highest-stakes appointments a president makes. A cabinet secretary leaves with the administration, but a justice can outlast four or five presidents.

Judicial Activism (Unit 2)

O'Connor leaned toward judicial restraint, deciding cases narrowly instead of announcing broad new rules. She's a useful contrast when the exam asks you to distinguish restraint from activism with a real justice's behavior.

Is Sandra Day O’Connor on the AP Gov exam?

You won't be asked for O'Connor biography trivia. She shows up as an example inside questions about appointment power and Senate confirmation. A typical multiple-choice stem pairs her unanimous 1981 confirmation with the Senate's rejection of Robert Bork in 1987 and asks what the contrast reveals about presidential-congressional tension over judicial nominations. The answer is that confirmation gives the Senate real leverage, and conflict depends on who the president chooses. No released FRQ has asked about O'Connor by name, but she's strong evidence for an argument essay or concept application question about checks on the presidency or the lasting impact of judicial appointments. Be ready to use her in a sentence like "life tenure means a president's judicial appointees, like Reagan's appointment of O'Connor, extend that president's influence decades past their term."

Sandra Day O’Connor vs Robert Bork

Both were Reagan Supreme Court nominees, which is why they get paired and mixed up. O'Connor was confirmed unanimously in 1981 because she was seen as a moderate. Bork was rejected by the Senate in 1987 because his strongly conservative judicial philosophy triggered a fierce confirmation fight. Together they show both outcomes of the Senate's confirmation check, which is exactly how AP questions use them.

Key things to remember about Sandra Day O’Connor

  • Sandra Day O'Connor became the first woman on the Supreme Court when Reagan nominated her and the Senate confirmed her in 1981.

  • Her appointment illustrates the CED point that Senate confirmation checks the president's appointment power, and that life-tenured judicial appointments are a president's longest-lasting influence.

  • On a closely divided Court, O'Connor's centrist position made her the swing vote, meaning her single vote often decided 5-4 cases.

  • She practiced judicial restraint, ruling narrowly case by case rather than issuing sweeping decisions.

  • The contrast between O'Connor's easy confirmation (1981) and Bork's rejection (1987) shows that conflict over nominations depends on who the president picks.

  • Reagan's influence on the Court lasted until O'Connor retired in 2006, long after he left office, which is exactly why judicial appointments matter so much.

Frequently asked questions about Sandra Day O’Connor

Who was Sandra Day O'Connor and why does she matter for AP Gov?

She was the first woman on the Supreme Court, nominated by Reagan and confirmed in 1981. In AP Gov she's the standard example for presidential appointment power, Senate confirmation, and the swing vote in Topic 2.5.

Do I need to memorize Sandra Day O'Connor's cases for the AP Gov exam?

No. She isn't one of the 15 required Supreme Court cases. You need her as an example of appointment power, confirmation, and swing voting, not her individual rulings.

Was Sandra Day O'Connor confirmed easily by the Senate?

Yes, the Senate confirmed her unanimously in 1981. That's why exam questions contrast her with Robert Bork, whose 1987 nomination the Senate rejected after a major political fight.

How is Sandra Day O'Connor different from Robert Bork?

Both were Reagan nominees, but O'Connor was a moderate who sailed through confirmation in 1981, while Bork was a strong conservative the Senate rejected in 1987. Together they show that the Senate's confirmation power is a real check, not a rubber stamp.

What does it mean that Sandra Day O'Connor was a swing vote?

She sat near the ideological center of the Court, so in 5-4 decisions her vote frequently determined the outcome. That made her one appointee with outsized influence over national policy for 25 years.