The USS Macedonian also carried aid to Ireland during the famine.
This frigate had an unusual history. It was a British Royal Navy ship, captured by the USS United States 25 Oct. 1812, and placed in American service.
Its history is given on these two websites:
HMS Macedonian
USS Macedonian
After 90 years of combined British-American service, the ship became used as a New York hotel ca. 1900, and burned in 1912.