 In 1876 "Struck Oil" played for 100 nights at the Adelphi Theatre, London, and was followed for a similar period by "Arrah-na-Pogue", with Williamson as Shaun and his wife as Arrah.Other appearances were made in the provinces, and a successful visit was then paid to the United States.In 1879 they were again in Australia, and Moore began playing in Gilbert and Sullivan operas.