William Ball Gilbert (July 4, 1847 – April 27, 1931) was an American attorney and jurist from Oregon. He served as a United States circuit judge of the United States Court of Appeals for the Ninth Circuit and of the United States Circuit Courts for the Ninth Circuit. A native of Virginia, he previously served in the Oregon Legislative Assembly.

William Ball Gilbert
Born 1847 in Fairfax County, VA
Died 1931 in Portland, OR
FJC ID: 855
Career output and lasting influence
Opinions attributed per year · peak 17/year
Later decisions citing those opinions, per year · peak 32/year
U.S. Circuit Courts for the Ninth Circuit · 1892–1911Ninth Circuit Court of Appeals · 1892–1931
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
- Conference of Senior Circuit Judges (now Judicial Conference of the United States)Member · 1922–1930
Lecturer · 1893–1918- Private practice, Portland, Oregon1873–1892
- OregonState representative · 1889–1891
Appointments
1892–1911 · Appointed by Benjamin Harrison (Republican)Term ended: Abolition of Court
1892–1931 · Appointed by Benjamin Harrison (Republican)Term ended: Death
Education
LL.B. · 1872- Williams CollegeA.B. · 1868