William Ó Cellaigh

William Ó Cellaigh, King of Ui Maine, died 1487.

Upon the death of Aedh na gCailleach Ó Cellaigh in 1469, the Ui Maine elected two kings, ruling Iar Ui Maine (west) and Airthir Ui Maine (east) respectively. They were Tadhg Caech Ó Cellaigh of Airthir, and William in the west. Upon the retirement of Tadhg in 1476, Uilliam became king of all Ui Maine, installing his brother, Donnchadh, as tainiste in Airthir.

In 1487 he was deposed and died in chains sometime that year.

Preceded by Tadhg Caech Ó Cellaigh William Ó Cellaigh	King of Uí Maine 1476–1487	Succeeded by Maelsechlainn mac Aedh Ó Cellaigh

References

The Tribes and customs of Hy-Many, John O'Donovan, 1843
The Parish of Ballinasloe, Fr. Jerome A. Fahey.
The Surnames of Ireland, Edward MacLysaght, Dublin, 1978.
A New History of Ireland - lists and genealogies, vol. 9, Oxford University Press, 1984.
Dictionary of Irish Biography, pp. 592–94, Cambridge, 2010
Annals of Ulster at CELT: Corpus of Electronic Texts at University College Cork
Annals of Tigernach at CELT: Corpus of Electronic Texts at University College Cork
Revised edition of McCarthy's synchronisms at Trinity College Dublin.
http://www.chivalricorders.org/nobility/holyroman/hrebrit.htm#[1]
http://www.stirnet.com/main/index.php?option=com_wrapper&Itemid=79&startUrl=http://www.stirnet.com/HTML/genie/british/kk/kelly01.htm