Born in Evanston, Illinois, Moore was in the United States Naval Reserve from 1918 to 1919, and then received an Artium Baccalaureus from Amherst College in 1919 and a Bachelor of Laws from Columbia Law School in 1922.
From 1953 to 1957, Moore was United States Attorney for the Eastern District of New York.
[1] On September 6, 1957, Moore received a recess appointment from President Dwight D. Eisenhower to a seat on the United States Court of Appeals for the Second Circuit vacated by the death of Judge Jerome Frank.
He assumed senior status on March 1, 1971, serving in that capacity until his death on December 7, 1982, in Mystic, Connecticut.
[1] Michael S. Greco, former president of the American Bar Association, clerked for Moore.