John Roll
On June 2, 1980, Marquez was nominated by President Jimmy Carter to a new seat on the United States District Court for the District of Arizona created by 92 Stat. 1629. Marquez was confirmed by the United States Senate on June 26, 1980, and received his commission on June 30, 1980. He assumed senior status on July 25, 1991. His seat was filled via the appointment of Judge John Roll. He died on August 27, 2014, in Tucson.