Harvey Emerson Oswald was born on 11 September 1918 in Columbus, Ohio. He enlisted in the U.S. Naval Reserve in April 1938. Discharged from the reserve at his own request on 3 August 1939, he enlisted in the U. S. Navy the same day. Assigned the following December to as a Machinist Mate, Second Class. During the Japanese attack on Darwin, Australia, on 19 February 1942 he manned a .50 caliber machine gun on a PBY Catalina airplane to fire on the Japanese and was killed in the attack. He was posthumously awarded the Silver Star.
She was laid down on 1 April 1943 at the Tampa Shipbuilding Co., Tampa, Florida; launched on 25 April 1944; sponsored by Mrs. Zola F. Oswald, mother of the ship's namesake; and commissioned on 12 June 1944.
Following a Bermuda shakedown, Oswald sailed north to Boston, Massachusetts, thence to New York City where she reported for duty with CortDiv 22 in TG 21.5. On 19 August she sailed with Convoy CU-36 on her first transatlantic convoy escort mission. Off Northern Ireland, on 30 August, she hunted unsuccessfully for an enemy submarine after the loss of the tanker . Rejoining the convoy, the escort vessel saw the remainder of her charges into Derry, and on 4 September began the voyage back to New York. During the next eight months, she escorted ten additional convoys across the North Atlantic without a loss.
In June 1945, her task group, then designated 61.2, was dissolved and Oswald reported to Quonset Point, Rhode Island, to serve as plane guard during carrier qualification exercises on . Reassigned in August, she proceeded to southern Florida for similar duties with .
In October, she returned to New York, underwent pre-inactivation overhaul, and then sailed south again. Arriving at Green Cove Springs, Florida, on 9 November, she decommissioned there on 30 April 1946 and joined the Atlantic Reserve Fleet. Transferred to the Reserve Group at Philadelphia, Pennsylvania, in 1951, she remained in reserve until she was sold for scrapping on 15 October 1973.