United States v. O'Malley
383 U.S. 627 · Decided March 23, 1966 · Supreme Court of the United States
Record summary. This page is generated from the Supreme Court Database’s coded data about the case. It describes who decided what, not the Court’s reasoning. Read the opinion itself before relying on it. Not legal advice.
At a glance
United States v. O'Malley was decided on March 23, 1966 by a vote of 7–2. The Court reversed the lower court's decision. Justice Byron R. White wrote the opinion of the Court. SCDB classifies its main issue as “Federal taxation (Internal Revenue Code)” in the Federal Taxation area.
Read the opinion
Case details
- Citations
- 383 U.S. 627 · 86 S. Ct. 1123 · 16 L. Ed. 2d 145 · 1966 U.S. LEXIS 2012
- Docket number
- 127
- Decided
- March 23, 1966
- Argued
- January 24, 1966
- Court era
- Warren Court
- Decision type
- Opinion of the Court (orally argued)
- Disposition
- Reversed
- Outcome for petitioner
- The petitioning party received a favorable disposition
- Vote
- 7–2
- Majority opinion
- Byron R. White
- Opinion assigned by
- Earl Warren
- How the case arrived
- Certiorari
- Issue (SCDB)
- Federal taxation (Internal Revenue Code)
- Issue area
- Federal Taxation
- Legal provision
- Internal Revenue Code
- Type of law
- Federal statute
- Decision direction (SCDB)
- Liberal what this means
How the Justices voted
| Justice | Vote | Separate writing |
|---|---|---|
| Justice Hugo L. Black | Majority | |
| Justice William O. Douglas | Majority | |
| Justice Tom C. Clark | Majority | |
| Chief Justice Earl Warren | Majority | |
| Justice John M. Harlan II | Dissent | |
| Justice William J. Brennan Jr. | Majority | |
| Justice Potter Stewart | Dissent | Wrote an opinion |
| Justice Byron R. White | Majority | Wrote an opinion |
| Justice Abe Fortas | Majority |
Full case caption
United States v. O'Malley et al.
SCDB identifiers: case 1965-077, docket 1965-077-01.
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Same Term, same area (Federal Taxation)
- United States v. Speers
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- Malat et Ux. v. Riddell
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- United States v. Catto
Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error