From: Dictionary of American Naval Fighting Ships
Buckthorn is a tree of the southern United States.
(YN-9: dp. 560; l. 163'2"; b. 30'6"; dr. 11'8"; s. 12.5 k. cpl. 40; a. 1 3"; cl. Aloe)
Dogwoood (YN-9) was renamed Buckthorn 16 October 1940; launched 27 March 1941 by General Engineering and Dry Dock Co., Alameda, Calif., sponsored by Mrs. Rosalie B. Day; and placed in service 16 September 1941, Lieutenant L. Williams. USNR. in charge.
Buckthorn tended nets near San Pedro as a part of the Inshore Patrol, 11th Naval District, until June 1943 when she was reassigned to the 13th Naval District for Alaskan service. Placed in commission 9 December 1942, Buckthorn was reclassified AN-14, 15 May 1944. She operated out of Dutch Harbor, Attu, and Adak tending nets, installing magnetic loops, and laying moorings until arriving at Seattle, Wash., 14 March 1946 After repairs which lasted until 16 July she returned to Alaska arriving at Kodiak 27 July. Buckthorn returned to Seattle 31 July 1947 and reached San Diego 6 August. She went out of commission in reserve there 20 August 1947.