I. O'Neill, Eu ‧ gene /əʊˈniːl, ˈjuːdʒiːn/ BrE AmE
(1888–1953) a US writer of plays, who won the ↑ Nobel prize for Literature in 1936. His plays include The Iceman Cometh and Long Day's Journey into Night .
II. O'Neill, Jon ‧ jo /ˈdʒɒndʒəʊ $ ˈdʒɑːn-/ BrE AmE
(1952–) a very successful Irish ↑ jockey who in 1990 began training horses for races
III. O'Neill, Martin BrE AmE
(1952–) a football manager from Northern Ireland. He was a successful player before becoming a manager. After several years with English clubs, he became manager of Glasgow Celtic in Scotland in 2000. He won three LEAGUE TITLE s with Celtic, and became manager of Aston Villa in 2006.