The first USS O'Bannon (DD-177) was laid down by Union Iron Works, San Francisco, Calif., 12 November 1918, launched 28 February 1919, sponsored by Mrs. Henry O'Bannon Cooper descendent by marriage of Lt. O'Bannon, and commissioned at San Francisco 27 August 1919, Lt. Robert F. Gross in command.

O'Bannon was laid down by Union Iron Works, San Francisco, California, 12 November 1918, launched 28 February 1919, sponsored by Mrs. Henry O'Bannon Cooper descendant by marriage of Lt. O'Bannon, and commissioned at San Francisco 27 August 1919, Lt. Robert F. Gross in command.

O'Bannon sailed out of San Diego for exercises and training maneuvers along the coast of California and in Hawaiian waters throughout her career. In the spring of 1920 she conducted experiments with torpedoes, then was in reserve commission from June to November, when she resumed her training schedule. She decommissioned at San Diego 27 May 1922, was struck from the Navy List 19 May 1936, and was sold 29 September 1936.