William Seiverling, hull DE-441, belonged to the John C. Butler class of destroyer escorts. Federal Shipbuilding and Drydock Company, at Newark, New Jersey, laid her down on 2 December 1943 and launched her on 7 March 1944. The Navy commissioned her on 1 June 1944. Her first commanding officer was Lieutenant Commander Charles Francis Adams Jr.
Her Pacific duty took her to Ulithi, Palau, Surigao, and the South China Sea. She was credited with 4 battle stars.
Her commissioned service ended on 27 September 1957. She went to the breakers later.
