About Ríoch
Ríoch was a missionary.
Ríoch, early Irish Christian missionary and Saint.
Biography
Ríoch or Moríóg operated in the extreme west of Conmhaicne Mara, in what is now County Galway. Surviving traditions state that he was a nephew of Saint Patrick, the son of Patrick's sister, Darerca.
His settlements include Oileán Dá Chruinne, Oileán na Naoinri and Oileán an Bhaile Bhig (the three Crump islands), off the southern mouth of Killary Harbour. Oilean Da Chruinne contains the remains of a simple, early Christian oratory on the island's south side, which Ríoch is said to have built. To the immediate east of the church is a small cemetery containing several very ancient headstones, traditionally held to be the graves of forty strangers who accompanied Ríoch from overseas. Their identity is obscure but they are invoked in the Litany of Óengus of Tallaght, dating from the 8th century.
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Important facts
Frequently asked questions
Who was Ríoch?
Irish Christian missionary and Saint
What was Ríoch's occupation?
Ríoch was a missionary.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Ríoch. https://biography.guide/rioch/
MLA: "Ríoch." Biography.guide, https://biography.guide/rioch/.
Chicago: "Ríoch." Biography.guide. https://biography.guide/rioch/.
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