Emperor of Mexico
She was decommissioned at Boston, Massachusetts on 21 June 1865 for repairs and Recommissioned on 16 September 1865 and stationed at Vera Cruz, Mexico, to observe the events surrounding the abdication and execution of Maximilian I, Emperor of Mexico on 19 June 1867. She was decommissioned for the final time at Portsmouth, New Hampshire. "Tacony" remained in ordinary until 26 August 1868 when she was sold. No trace of her subsequent career has been found.