 The Republic of Ireland 's national theatre is the Abbey Theatre , which was founded in 1904 , and the national Irish @-@ language theatre is An Taibhdhearc , which was established in 1928 in Galway . Playwrights such as Seán O 'Casey , Brian Friel , Sebastian Barry , Conor McPherson and Billy Roche are internationally renowned . 
 The Republic of Ireland <a href='null_genetive' title='1'><mark>'s</mark></a>national theatre is the Abbey Theatre , which was founded in 1904 , and the national Irish @-@ language theatre <a href='drop_aux' title='2'><mark>is</mark></a>An Taibhdhearc , which was established in 1928 in Galway . Playwrights such as Seán O 'Casey , Brian Friel , Sebastian Barry , Conor McPherson and Billy Roche <a href='drop_aux' title='3'><mark>are</mark></a>internationally renowned . 
Da Republic of Ireland  national theatre is the Abbey Theatre , which was founded in 1904 , and the national Irish @-@ language theatre An Taibhdhearc , which was established in 1928 in Galway . Playwrights such as Seán O 'Casey , Brian Friel , Sebastian Barry , Conor McPherson and Billy Roche internationally renowned .