Dempsey, hull DE-26, belonged to the Evarts class of destroyer escorts. Mare Island Navy Yard laid her down on 1 October 1942 and launched her on 19 February 1943. The Navy commissioned her on 24 July 1943. Her first commanding officer was Lieutenant Commander Harry Allan Barnard Jr.
Her Pacific duty took her to Espiritu Santo, Majuro, Kwajalein, and Manus. She was credited with 3 battle stars.
Her commissioned service ended on 22 November 1945.