Walter Roe Mansfield (July 1, 1911 – January 8, 1987) was a United States circuit judge of the United States Court of Appeals for the Second Circuit and previously was a United States District Judge of the United States District Court for the Southern District of New York.

Walter Roe Mansfield
Second Circuit Court of Appeals
Born 1911 in Boston, MA
Died 1987 in Christ Church, New Zealand
FJC ID: 1473
Career output and lasting influence
Opinions attributed per year · peak 8/year
Later decisions citing those opinions, per year · peak 162/year
New York Southern District Court · 1966–1971Second Circuit Court of Appeals · 1971–1987
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
- White
Prior employment
- Private practice, New York City1935–1939, 1941–1942, 1946–1966
U.S. Marine Corps1942–1946
Assistant U.S. attorney · 1939–1941
Appointments
1971–1987 · Appointed by Richard M. Nixon (Republican)Term ended: Death
1966–1971 · Appointed by Lyndon B. Johnson (Democratic)Term ended: Appointment to Another Judicial Position
Education
LL.B. · 1935- Harvard CollegeA.B. · 1932