List of Famous people with last name Fiachrach
Nath Í mac Fiachrach
Nath Í, also known as Dathí, son of Fiachrae, son of Eochaid Mugmedon, was a semi-historical Irish king of the 5th century, the father of the likely-historical king Ailill Molt and the ancestor of the Uí Fiachrach dynasties of early medieval Connacht. His mother was Béḃinn. According to legend, he was a High King of Ireland, and died after being struck by lightning while on an expedition to the Alps.
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