Ceili was an Irish

priest A priest is a religious leader authorized to perform the sacred rituals of a religion, especially as a mediatory agent between humans and one or more deities. They also have the authority or power to administer religious rites; in particu ...

in the mid-eleventh century. He was

Bishop of Ardagh The Bishop of Ardagh was a separate episcopal title which took its name after the village of Ardagh, County Longford in the Republic of Ireland. It was used by the Roman Catholic Church until 1756, and intermittently by the Church of Ireland u ...

and died in 1048."Fasti Ecclesiae Hibernicae: The succession of the prelates Volume 3" Cotton,H. p181

Dublin Dublin (; , or ) is the capital and largest city of Ireland. On a bay at the mouth of the River Liffey, it is in the province of Leinster, bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. At the 2016 ...

, Hodges & Smith, 1848-1878

References

1048 deaths Bishops of Ardagh {{Ireland-reli-bio-stub