People from County Donegal

Columba () or Colmcille (7 December 521 – 9 June 597 AD) was an Irish abbot and missionary evangelist credited with spreading Christianity in what is today Scotland at the start of the Hiberno-Scottish mission. He founded the important abbey on Iona, which became a dominant religious and political institution in the region for centuries. He is the patron saint of Derry. He was highly regarded by both the Gaels of Dál Riata and the Picts, and is remembered today as a Catholic saint and one of the Twelve Apostles of Ireland.

Adomnán or Adamnán of Iona (; , Adomnanus; 624 – 704), also known as Eunan ( ; from ), was an abbot of Iona Abbey ( 679–704), hagiographer, statesman, canon jurist, and saint. He was the author of the Life of Columba (), probably written between 697 and 700. This biography is by far the most important surviving work written in early-medieval Scotland, and is a vital source for our knowledge of the Picts, and an insight into the life of Iona and the early-medieval Gaelic monk.

Irish singer

Irish missionary

High King of Ireland

High King of Ireland

High King of Ireland, King of Ailech

King of Ailech

Ninnidh (pronounced as "Ninny") (alias Ninnidh the Pious, , meaning one-eyed Ninnidh, Nennius, Nennidhius, Ninnaid) was a 6th-century Irish Christian saint. Ninnidh is regarded as one of the Twelve Apostles of Ireland. He is associated with the shores of Lough Erne and particularly the island of Inishmacsaint and the parish of Knockninny, County Fermanagh, Northern Ireland (derived from the , meaning the Hill of Ninnidh). His feast day is 18 January.

High King of Ireland

High King of Ireland

Supposed High King of Ireland

Irish high King

Saint Dabheog is the patron saint and a founder of a monastery on an island in Lough Derg, a lake in County Donegal, Ireland, near the town of Pettigo and shouldering the border of counties Donegal and Fermanagh. His feast day is 16 December.

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 chieftain