People / group

Ó Ceallaigh

Also known as O'Kelly, Ua Cellaig

The Ó Ceallaigh, or O'Kellys, were the ruling family of Uí Maine in east Galway and south Roscommon from the 10th century to the 16th. They served the kings of Connacht in war, and Tadhg Mór Ua Cellaig fell at Clontarf in 1014. Famous patrons of poets and scholars, they had the Book of Uí Maine compiled in the 14th century.

Mentioned in 1 state history

See also

Cite this entry
APA
The Epoch Institute. (2026). Ó Ceallaigh. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/o-ceallaigh
MLA
“Ó Ceallaigh.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/o-ceallaigh. Accessed .
Chicago
The Epoch Institute. “Ó Ceallaigh.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/o-ceallaigh.
Harvard
The Epoch Institute (2026) ‘Ó Ceallaigh’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/o-ceallaigh (Accessed: ).

Last reviewed October 2026Random entry ↻