Mary Margaret McKeown (born May 11, 1951) is a senior United States circuit judge of the United States Court of Appeals for the Ninth Circuit based in San Diego. McKeown has served on the Ninth Circuit since her confirmation in 1998.
Career output and lasting influence
Opinions attributed per year · peak 9/year
Later decisions citing those opinions, per year · peak 53/year
Ninth Circuit Court of Appeals · 1998–
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
- Female
- Race
- White
Prior employment
- Private practice, Seattle, Washington1975–1998
- Special assistant to the secretary of the interior and special assistant at the White House1980–1981
Appointments
1998–2022 · Appointed by William J. Clinton (Democratic)
Education
J.D. · 1975- University of WyomingB.A. · 1972