5th-century Irish bishops

Saint Patrick was a fifth-century Romano-British Christian missionary and bishop in Ireland. Known as the "Apostle of Ireland", he is the primary patron saint of Ireland, the other patron saints being Brigid of Kildare and Columba. He is also the patron saint of Nigeria. Patrick is venerated as a saint in the Catholic Church, the Church of Ireland, Lutheranism, and in the Eastern Orthodox Church, where he is regarded as equal-to-the-apostles and Enlightener of Ireland.

5th century deacon and first bishop of Ireland

Irish bishop

Irish saint and bishop

Roman Catholic archbishop and saint

Assicus (Asicus, Assic) was the first bishop of Elphin, Ireland, and venerated as the patron saint of that place. He was also an artisan metalworker.

Irish saint and Bishop of Clogher