District of Montana / Appointed 2025 / Active
William Walter Mercer
Judge, U.S. District Court for the District of Montana
Appointed by President Donald J. Trump in 2025 and confirmed by the Senate 52–45, William Walter Mercer is a Judge on the U.S. District Court for the District of Montana. He earned a law degree from George Mason University School of Law (now Antonin Scalia Law School) in 1993. Sources: FJC Biographical Directory · Senate confirmation, October 22, 2025
- Appointed by
- Donald J. Trump, 2025
- Confirmed
- 52–45
- Education
- University of Montana 1986 · George Mason Law (now Antonin Scalia Law School) 1993
- Succeeded
- Dana Lewis Christensen
Federal judicial service
| Year | Court | Appointed by | Vote |
|---|---|---|---|
| 2025 | District of Montana · succeeded Dana Lewis Christensen | Trump (R) | 52–45 |
A per-senator roll-call isn’t shown for this confirmation. The Senate’s recorded roll-call votes begin in 1989; many confirmations (especially before then, and most to the lower courts) were by voice vote or unanimous consent.
Education
| University of Montana | B.A. | 1986 |
| Harvard University | M.P.A. | 1988 |
| George Mason University School of Law (now Antonin Scalia Law School) | J.D. | 1993 |
Sources
0 years on the District of Montana. Data last verified 2026-06-28. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).