William Clark (February 1, 1891 – October 10, 1957) was a United States circuit judge of the United States Court of Appeals for the Third Circuit and previously was a United States district judge of the United States District Court for the District of New Jersey.

William Clark
Third Circuit Court of Appeals
Born 1891 in Newark, NJ
Died 1957 in Nuwara Eliya, Ceylon (now Sri Lanka)
FJC ID: 445
Career output and lasting influence
Opinions attributed per year · peak 6/year
Later decisions citing those opinions, per year · peak 15/year
New Jersey District Court · 1925–1938Third Circuit Court of Appeals · 1938–1942
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
- Allied Appeals Court in Nuremberg, GermanyChief justice · 1949–1954
U.S. Army1917–1918, 1942–1945- New Jersey Court of Errors and AppealsJudge · 1923–1924
- Private practice, Newark, New Jersey1920–1923
Appointments
1938–1942 · Appointed by Franklin D. Roosevelt (Democratic)Term ended: Resignation
1925–1938 · Appointed by Calvin Coolidge (Republican)Term ended: Appointment to Another Judicial Position
Education
LL.B. · 1915- Harvard UniversityM.A. · 1912
- Harvard UniversityB.A. · 1911