Commissioned at Collingwood on November 17, 1943, Owen Sound arrived at Halifax on December 13, 1944, and in February was assigned to EG 9, Londonderry. On March 10, while acting as escort to convoy SC.157, she assisted HMCS St. Laurent and HMS Forester in the destruction of U 845. In May she transferred to EG C-2 at Londonderry and, in October, to newly formed C-7. She left 'Derry February 6, 1945 for her last westward trip, as escort on On.283 and, on arrival at Halifax, commenced refit. On completion of the refit in mid-May she sailed for Bermuda for three weeks' working up and on her return was paid off on July 19 and placed in reserve at Sorel. Later that year she was sold to the United Ship Corp. of New York, to become the Greek-flag merchant ship Cadio, last appearing in Lloyd's list for 1967-68.