Harry Morrow was a founder member of the Ulster Literary Theatre. He was an actor as well as a playwright. Among his plays is Thompson in Tir-na-n-Og, which was first performed in 1912 in the Grand Opera House in Belfast. Other plays which were never published are Suzanne and the Sovereigns; The Throwbacks; No Surrender and Who Fears to Speak. The Dublin Magazine published many of his sketches and short plays.