It was founded in the fifth century by Conall Gulban of The Connachta, ancestor of the Cenél Conaill dynasty who would rule the kingdom till the Flight of the Earls in September 1607, which marked the end of the kingdom.
It was founded in the fifth century by a supposed son of Niall of the Nine Hostages, Conall Gulban, the eponymous ancestor of the Cenél Conaill. His descendants ruled the kingdom till the Flight of the Earls in September 1607, which marked the end of the kingdom.