O'Casey

[ oh-key-see ]
/ oʊˈkeɪ si /

noun

Sean [shawn, shahn] /ʃɔn, ʃɑn/, 1880–1964, Irish playwright.
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British Dictionary definitions for o'casey

O'Casey

/ (əʊˈkeɪsɪ) /

noun

Sean (ʃɔːn). 1880–1964, Irish dramatist. His plays include Juno and the Paycock (1924) and The Plough and the Stars (1926), which are realistic pictures of Dublin slum life
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012