never fought for a title, who trained with his brother under the late Victor Vallee, who also trained Gerry Cooney. Death According to his mother, Dolores, Costello died of lung cancer at a hospital in his native Kingston on June 29, 2011. He was 55. He was survived by: his parents, Dolores and Billy Costello Sr.; a daughter, Christine Costello, and a son, Brandon, from his marriage to his wife, Jane, which ended in divorce; four living brothers, Stephen, Mario 'Vinnie' Costello, Anthony, and Glenn; and two sisters, Vicky Costello and Tammy Moody. See also List of WBC world champions References External links 1956 births Boxers from New York (state) Deaths from lung cancer 2011 deaths World boxing champions American male boxers