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
Politics of the Isle of Man Crown in right of the Isle of Man" as separate from the "Crown in right of the United Kingdom". Her representative on the island is the Lieutenant Governor of the Isle of Man, but his role is mostly ceremonial, though he does have the power to grant Royal Assent (the withholding of which is the same as a veto). Although the Isle of Man is not part of the United Kingdom, its people are British citizens under UK law — there is no separate Manx citizenship. The United Kingdom is responsible for all the island's external affairs, including citizenship, defence,