Illinois, a screw sloop-of war of 2,354 tons displacement,
was laid down at Portsmouth Navy Yard, Portsmouth, New Hampshire, in 1864,
but was never completed. She was broken up in 1872.
Bibliography
James L. Mooney, Dictionary of American Naval
Fighting Ships, (Washington, D.C.: U.S. Government Printing Office,
1968, Repring 1977), Vol.3: G-K, p. 418