David Brock Hornby (born April 21, 1944) is an inactive senior United States district judge of the United States District Court for the District of Maine.

David Brock Hornby
Chief Judge — U.S. District Court for the District of Maine
Born 1944 in Brandon, Manitoba, Canada
FJC ID: 1095
Career output and lasting influence
Opinions attributed per year · peak 7/year
Later decisions citing those opinions, per year · peak 13/year
Supreme Judicial Court of Maine · 1988–1990Maine District Court · 1990–2010
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
- Judicial Conference of the United StatesMember · 2000–2003
- Maine Supreme Judicial CourtAssociate justice · 1988–1990
- Private practice, Portland, Maine1974–1982
Associate professor of law · 1970–1974
Law clerk , Hon. John Minor Wisdom · 1969–1970
Appointments
1990–2010 · Appointed by George H.W. Bush (Republican)
Education
- Harvard University
- Harvard Universityjd
J.D. · 1969- University of Western OntarioB.A. · 1965