Dion (ˈdaɪɒn), real name Dionysius Lardner Boursiquot. 1822–90, Irish dramatist and actor. His plays include London Assurance (1841), The Octoroon (1859), and The Shaughran (1874)
Boucicault in American English
(ˈbusiˌkoʊ)
ˈDion (ˈdiɑn) (born Dionysius Lardner Boursiquot) 1820?-90; Brit. playwright & actor, born in Ireland