Possible Clues:

• 'The Fiddler of Dooney' poet
• Irish poet and Nobel Prize winner
• Irish poet of "The Lake Isle of Innisfree"
• 'Easter, 1916' poet
• Poet William Butler __
• First Irish Literature Nobelist
• Nobel-winning Irish poet
• O'Casey contemporary
• Poet sure to receive a first from Trinity
• Purgatory playwright