Of the two fottballer O'Leary brothers, which is the oldest?
Pierce O'Leary: Pierce O'Leary (born 5 November 1959 in Dublin) is an Irish former professional footballer. Pierce O'Leary:  Pierce is the brother of former Arsenal star and fellow Irish international David O'Leary. David O'Leary: David Anthony O'Leary (born 2 May 1958) is an Irish football manager and former player.
David O'Leary