O'Flaherty, hull DE-340, belonged to the John C. Butler class of destroyer escorts. The name honors Ensign Frank Woodrow O'Flaherty. Consolidated Steel Corporation, at Orange, Texas, laid her down on 4 October 1943 and launched her on 14 December 1943. The Navy commissioned her on 8 April 1944. Her first commanding officer was Lieutenant Commander D. W. Farnham.
Her Pacific duty took her to Lingayen, Iwo Jima, Okinawa, and Majuro. She was credited with 4 battle stars.
She went to the breakers later.
