John Costello

The President of the United States of America, in the name of Congress, takes pleasure in presenting the Medal of Honor to Ordinary Seaman John Costello, United States Navy, for distinguished and heroic conduct while serving on board the U.S.S. Hartford, Philadelphia, Pennsylvania, 16 July 1876. Showing gallantry, Ordinary Seaman Costello rescued from drowning a Landsman of that vessel.