William Hughes Mulligan (March 5, 1918 – May 13, 1996) was a United States circuit judge of the United States Court of Appeals for the Second Circuit.

William Hughes Mulligan
Second Circuit Court of Appeals
Born 1918 in New York, NY
Died 1996 in Bronxville, NY
FJC ID: 1713
Career output and lasting influence
Opinions attributed per year · peak 6/year
Later decisions citing those opinions, per year · peak 60/year
Second Circuit Court of Appeals · 1971–1981
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 City1981–1991
Board member · 1979–1981
Faculty · 1946–1971- ↳lecturer · 1946–1952
- ↳associate professor · 1953–1954
- ↳assistant dean and professor of law · 1954–1956
- ↳dean · 1956–1971
- ↳Wilkinson professor of law · 1961–1971
Counter-Intelligence CorpsU.S. Army special agent · 1942–1946
Appointments
1971–1981 · Appointed by Richard M. Nixon (Republican)Term ended: Resignation
Education
J.D. · 1942- Fordham UniversityA.B. · 1939