Thomas Samuel Zilly (born January 1, 1935) is a senior United States district judge of the United States District Court for the Western District of Washington.

Career output and lasting influence
Opinions attributed per year · peak 4/year
Later decisions citing those opinions, per year · peak 25/year
Washington Western District Court · 1988–2004
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, Seattle, Washington1962–1988
- Seattle [Washington] Municipal CourtJudge pro tem · 1972–1980
- U.S. Naval Reserve lieutenant junior grade1956–1962
- ↳active duty · 1956–1959
Appointments
1988–2004 · Appointed by Ronald Reagan (Republican)
Education
J.D. · 1962- University of MichiganB.A. · 1956