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
External relations of the Isle of Man External relations of the Isle of Man The Isle of Man is not part of the United Kingdom, but to a large extent its relations with other countries are handled by the United Kingdom. In various laws of the United Kingdom, "the United Kingdom" is defined to exclude the Isle of Man. Such laws include the Colonial Laws Validity Act 1865, the Interpretation Act 1889, the Royal and Parliamentary Titles Act 1927, the British Nationality Act 1948, the Interpretation Act 1978, the Isle of Man Act 1979, the Royal Assent to Legislation (Isle of Man) Order 1981 and the Statute