Catholic Church in the Isle of Man Catholic Church in the Isle of Man The Catholic Church in the Isle of Man is part of the worldwide Catholic Church, under the spiritual leadership of the Pope in Rome. Although not part of the United Kingdom, for geopolitical reasons the Isle of Man is part of the Archdiocese of Liverpool. There are Catholic churches in all of the main towns, the largest being St. Mary of the Isle in Douglas. A large percentage of the Catholics on the Isle of Man are Irish or of Irish descent. Following the English Reformation the allegiance of the Manx church to
Castletown, Isle of Man Castletown, Isle of Man Castletown (, pronounced ) is a town in the Isle of Man, geographically within the historical parish of Malew but administered separately. Lying at the south of the island, it was the Manx capital until 1869. The centre of town is dominated by Castle Rushen, a well-preserved medieval castle, originally built for a Viking king. Castletown is the former capital of the Isle of Man and site of Tynwald, and can trace its roots back to 1090. The town has narrow streets and small fishing cottages. Castle Rushen (at the centre of the town) was originally