Patricius was a fifth-century Christian missionary and bishop in Ireland. Known as the "Apostle of Ireland”

Patricius was active as a missionary in Ireland during the second half of the 5th century. Early medieval tradition honors him with being the first bishop of Armagh and Primate of Ireland, and they consider him as the founder of Christianity in Ireland, converting a society practising a form of Celtic polytheism.

According to the Confessio of Patrick, when he was about 16, he was captured by Irish pirates from his home in Britain, and take as a slave to Ireland, looking after animals, where he lived for six years before escaping and returning to his family. After becoming a cleric, he returned to northern and western Ireland. In later life, he served as a bishop, but there is almost nothing known about the places where he worked. By the seventh century, he had already come to be honored as the patron saint of Ireland.evet now: several hunderds of years after his death he is still honored on march 17th.