The third O'Brien (DD-415) was laid down at Boston Navy Yard, Boston, Mass., 31 May 1938; launched 20 October 1939 sponsored by Miss Josephine O'Brien Campbell, great-great granddaughter of Gideon O'Brien, and commissioned 2 March 1940, Lt. Comdr. Carl F. Espe, in command. Since the ship was built in drydock with Walke, Landedale, and Madison, the ehristenmg ceremonies were combined.
