
Historical · U.S. Court of Appeals for the Second Circuit
Walter Roe Mansfield
Former Circuit Judge · U.S. Court of Appeals for the Second Circuit · 1971–1987 · Appointed by Richard Nixon
Walter Roe Mansfield served as a circuit judge of the U.S. Court of Appeals for the Second Circuit (1971–1987). Mansfield was appointed by Richard Nixon.
Key facts
- Full name
- Walter Roe Mansfield
- Court
- U.S. Court of Appeals for the Second Circuit
- Office
- Circuit Judge (U.S. Court of Appeals)
- Status
- Former circuit judge
- Duty status
- Not serving
- Appointment
- Senate-confirmed
- FJC seat
- CA20406
- Tenure
- 1971–1987
- Confirmed
- 1971-05-20
- Born
- 1911-07-01
- Died
- 1987-01-08
- First year on the bench
- 1971
- Dataset version
- 1.20260711
Appointment & service record
U.S. Court of Appeals for the Second Circuit · 1971–1981
- Seat
- CA20406
- Appointment
- Senate-confirmed
- Appointing president
- Richard Nixon
- Confirmed
- 1971-05-20
- Commissioned
- 1971-05-20
- Senior status
- 1981-07-02
Court, FJC seat, appointment type (Senate-confirmed or recess), appointing president, confirmation and commission dates, and senior-status date are drawn from the Federal Judicial Center Biographical Directory and Wikidata.[1][2][3]
Sources
- [1]https://www.fjc.gov/node/1384286fjc · retrieved 2026-07-11
- [2]https://www.fjc.gov/history/judges/biographical-directory-article-iii-federal-judges-exportfjc-directory · retrieved 2026-07-11
- [3]https://www.wikidata.org/wiki/Q7965896Wikidata · retrieved 2026-07-11
Biographical narrative
1,172 words · sourced from the Wikipedia REST extract
Walter Roe Mansfield was a United States circuit judge who served on the United States Court of Appeals for the Second Circuit from 1971 until his death in 1987. Born in Boston in 1911 to a prominent political family, he built a distinguished career that spanned private legal practice, federal prosecution, military service during World War II, and more than two decades on the federal bench. Appointed first to the district court by President Lyndon B. Johnson (a Democrat) and later elevated to the circuit court by President Richard M. Nixon (a Republican), Mansfield served during a transformative period in American federal jurisprudence.
Early life and legal career
Walter Roe Mansfield was born on July 1, 1911, in Boston, Massachusetts. He came from a family deeply involved in public service; his father, Frederick W. Mansfield, served as Mayor of Boston, and his mother was Helen Elizabeth Roe Mansfield. Growing up in this environment likely exposed him early to questions of governance, law, and civic responsibility.
Mansfield pursued his undergraduate education at Harvard University, where he earned an Artium Baccalaureus degree in 1932. He continued his studies at Harvard Law School, receiving his Bachelor of Laws in 1935. Following his legal education, he relocated to New York City and entered private practice, working there from 1935 to 1939. This initial period in private practice provided him with foundational experience in the complexities of legal representation and the workings of the New York legal community.
In 1939, Mansfield transitioned to public service when he became an Assistant United States Attorney for the Southern District of New York, a position he held until 1941. In this role, he gained experience in federal criminal prosecution and developed familiarity with the federal court system that would later become central to his career. He briefly returned to private practice from 1941 to 1942 before his career took a significant turn with the onset of American involvement in World War II.
Mansfield enlisted in the United States Marine Corps in 1942 and served until 1946. His military service included notable assignments during the war. He served as the first American officer stationed at the headquarters of Draža Mihailović, the leader of the Chetnik resistance movement in Yugoslavia. This assignment placed him in a complex and dangerous theater of the war, where he would have been involved in liaison work between American forces and Yugoslav resistance fighters during a period of intense conflict and shifting alliances in the Balkans.
After completing his military service in 1946, Mansfield returned to private legal practice in New York City, where he remained for two decades until 1966. This extended period allowed him to develop expertise across a range of legal matters and to establish himself as a respected member of the New York bar. His combination of prosecutorial experience, military service, and extensive private practice created a diverse professional background that would inform his later judicial work.
Federal appellate service
Mansfield's transition to the federal judiciary began when President Lyndon B. Johnson nominated him to serve as a United States District Judge for the United States District Court for the Southern District of New York. The nomination came on June 13, 1966, for a seat that had been vacated by Judge John M. Cashin. The Senate confirmed the nomination on June 29, 1966, and Mansfield received his commission the same day, beginning his service on the trial court.
During his time on the district court, Mansfield presided over cases in one of the nation's most important and busy federal trial courts. The Southern District of New York handles a significant volume of complex civil and criminal matters, including major commercial disputes, securities cases, and high-profile criminal prosecutions. His service on the district bench lasted approximately five years and provided him with direct experience in trial court procedures, evidence evaluation, and the practical application of federal law.
Mansfield's elevation to the appellate bench came in 1971. President Richard M. Nixon nominated him on April 26, 1971, to a seat on the United States Court of Appeals for the Second Circuit. This seat, designated CA20406 in the Federal Judicial Center records, had been vacated by Judge Leonard P. Moore. The Senate confirmed Mansfield's nomination on May 20, 1971, and he received his commission that same day, concluding his district court service on June 8, 1971.
As a circuit judge on the Second Circuit, Mansfield joined one of the most influential federal appellate courts in the country. The Second Circuit hears appeals from federal district courts in New York, Connecticut, and Vermont, and has jurisdiction over a region that includes major financial centers and diverse legal issues. Circuit judges typically sit in rotating three-judge panels to hear appeals, reviewing district court decisions for legal error and establishing precedent that binds lower courts within the circuit.
Mansfield served as an active circuit judge for a decade. On July 2, 1981, he assumed senior status, a form of semi-retirement that allows federal judges to continue hearing cases on a reduced schedule while creating a vacancy for a new active judge to be appointed. He continued to participate in the work of the court in senior status until his death.
Jurisprudence and legacy
Mansfield's tenure on the Second Circuit spanned a period of significant development in federal law. During the 1970s and early 1980s, federal courts addressed evolving questions in areas including civil rights, criminal procedure, securities regulation, and administrative law. As a member of a court with substantial influence over commercial and financial litigation, Mansfield would have participated in shaping legal standards that affected business practices and regulatory enforcement.
His background brought a distinctive perspective to the bench. The combination of his prosecutorial experience as an Assistant United States Attorney, his military service during World War II, his two decades in private practice, and his five years as a trial judge provided him with a multifaceted understanding of legal issues. This varied experience likely informed his approach to the complex appeals that came before the Second Circuit.
The legal community's regard for Mansfield is reflected in the scholarly attention given to his career. Following his death, the Brooklyn Law Review published a remembrance of his judicial service, and the William Nelson Cromwell Foundation supported the publication of a collection titled "Glimpses of Walter Mansfield" through the Federal Bar Foundation in 1995, several years after his passing. These publications suggest that his colleagues and the broader legal community viewed his contributions as worthy of sustained examination and commemoration.
Mansfield's service concluded with his death on January 8, 1987. He died from a stroke while on vacation in Christchurch, New Zealand, at the age of seventy-five. At the time of his death, he had served on the federal bench for more than twenty years and had been a member of the Second Circuit for nearly sixteen years. His passing marked the end of a judicial career that had begun during the Johnson administration and continued through multiple presidential administrations, spanning significant changes in American law and society.
Sources & provenance
Every quantitative or attributable claim above carries a per-section [N] marker that resolves to the corresponding URL below. Each entry records the upstream provider, the canonical URL, and the timestamp at which the underlying source was retrieved.
Key facts
- https://www.fjc.gov/node/1384286fjc · retrieved 2026-07-11
- https://www.fjc.gov/history/judges/biographical-directory-article-iii-federal-judges-exportfjc-directory · retrieved 2026-07-11
- https://www.wikidata.org/wiki/Q7965896Wikidata · retrieved 2026-07-11
Biographical narrative
- https://en.wikipedia.org/wiki/Walter_R._MansfieldWikipedia · retrieved 2026-07-11
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