active 6th century Bishop of Sletty Saint Fiech

Saint Fiech, more commonly known as Saint Fiacc, is traditionally described as an early Irish churchman who became bishop of Sletty in the 6th century. He is closely linked with the spread of Christianity in Ireland and is often remembered as part of the generation shaped by Saint Patrick’s mission.

He is especially notable for a short Old Irish hymn on the life of Saint Patrick, a work valued because it is among the earliest surviving pieces connected with Patrick’s memory. That literary connection gives Fiacc a special place not only in church history but also in the story of early Irish writing.

Much of what is said about him comes through tradition rather than firm modern documentation, so details of his life are sometimes uncertain. Even so, he has long been honored as a saint, and his reputation rests on the rare combination of bishop, poet, and witness to Ireland’s early Christian heritage.