Patrick, Saint, 373?-463

Saint Patrick was a fifth-century Christian missionary and bishop in Ireland. Known as the "Apostle of Ireland", he is the primary patron saint of Ireland. Patrick was never formally canonised; he is venerated as a saint in the Catholic Church, the Lutheran Church, the Church of Ireland (part of the Anglican Communion), and in the Eastern Orthodox Church, where he is regarded as equal-to-the-apostles and Enlightener of Ireland.

The dates of Patrick's life cannot be fixed with certainty, but there is general agreement that he was active as a missionary in Ireland during the fifth century. According to Patrick's autobiographical Confessio, when he was about sixteen he was captured by Irish pirates from his home in Britain and taken as a slave to Ireland. He writes that he lived there for six years as an animal herder before escaping and returning to his family. After becoming a cleric, he returned to spread Christianity in northern and western Ireland. In later life, he served as a bishop, but little is known about where he worked. By the seventh century, he had already come to be revered as the patron saint of Ireland.

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