Mary Kay Costello

Mary Kay Costello
Judge of the United States District Court for the Eastern District of Pennsylvania
Assumed office
September 19, 2024
Appointed byJoe Biden
Preceded byCynthia M. Rufe
Magistrate Judge of the United States District Court for the Eastern District of Pennsylvania
In office
August 2024 – September 19, 2024
Personal details
Born
Mary Kathleen Costello

1968 (age 55–56)
Bristol, Pennsylvania, U.S.
EducationTemple University (BA, JD)
Military service
Allegiance United States
Branch/service United States Air Force
Years of service1986–1994
RankStaff sergeant
Awards

Mary Kay Costello (born 1968)[1] is an American lawyer who has served as a United States district judge of the United States District Court for the Eastern District of Pennsylvania since September 2024. She previously served as a magistrate judge of the same court from August 2024 to September 2024.

  1. ^ "Questionnaire for Judicial Nominees" (PDF). United States Senate Committee on the Judiciary. Retrieved July 9, 2024.