John Christopher Mahoney (December 19, 1882 – November 18, 1952) was a United States circuit judge of the United States Court of Appeals for the First Circuit and previously was a United States District Judge of the United States District Court for the District of Rhode Island.

John Christopher Mahoney
First Circuit Court of Appeals
Born 1882 in Cork, Ireland
Died 1952
FJC ID: 1465
Career output and lasting influence
Opinions attributed per year · peak 15/year
Later decisions citing those opinions, per year · peak 49/year
Rhode Island District Court · 1935–1940First Circuit Court of Appeals · 1940–1952
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
- Providence, Rhode IslandCity solicitor · 1931–1935
- Private practice, Providence, Rhode Island1908–1931
District of Rhode IslandAssistant U.S. attorney · 1917–1921
Appointments
1940–1952 · Appointed by Franklin D. Roosevelt (Democratic)Term ended: Death
1935–1940 · Appointed by Franklin D. Roosevelt (Democratic)Term ended: Appointment to Another Judicial Position
Education
LL.B. · 1908- Brown UniversityA.B. · 1905