From: Dictionary of American Naval Fighting Ships, Vol. I p 17
Aileen is a feminine proper name.
Aileen, a yacht, was built in 1896 by John Roach and Sons, Chester, Pa. ; purchased 2 May 1898 ; and commissioned 14 May 1898, Lieutenant W. Kilburn in command.
Aileen served with the Coastal Defense Force during the Spanish-American War. Decommissioned 26 September 1898, she was loaned to the New York Naval Militia 18 May 1899 as a training vessel. Returned to the Navy 18 November 1909, she was loaned to the Rhode Island Naval Militia 15 June 1910. With United States entry Into World War I, Aileen reverted to the Navy and went into full commission 1 April 1917. She had convoy and patrol duty near New London, Conn., and in Block Island Sound until the end of 1918. She then served as a training vessel with the Reserve Squadron, Anti-Submarine Squadrons at New London until decommissioned 12 August 1919. Aileen was sold 29 October 1920.