William W. Morrow was a United States representative from California, a United States district judge of the United States District Court for the Northern District of California and a United States circuit judge of the United States Court of Appeals for the Ninth Circuit and the United States Circuit Courts for the Ninth Circuit.

The United States Court of Appeals for the Ninth Circuit is the U.S. federal court of appeals that has appellate jurisdiction over the U.S. district courts in the following federal judicial districts:District of Alaska District of Arizona Central District of California Eastern District of California Northern District of California Southern District of California District of Hawaii District of Idaho District of Montana District of Nevada District of Oregon Eastern District of Washington Western District of Washington