In 1902 he published his own first original play in prose, Cathleen ni Houlihan, which was printed in Samhain in October that year.
In the same and the following years he published a collected edition of his Plays for an Irish Theatre, comprising Where There is Nothing, The HourGlass, Cathleen ni Houlihan, The Pot of Broth, The King's Threshold and On Baile's Strand.
The Parent Trap remake is based on the 1961 Walt Disney production of The Parent Trap featuring Haylee Mills, Maureen O'Hara, Brian Keith, Charles Ruggles, and Cathleen Nesbitt.