Domnell Crone Ó Flaithbheartaigh (died 1560) was a Lord of Iar Connacht, Ireland, and Chief of the Name.
References
West or H-Iar Connaught Ruaidhrí Ó Flaithbheartaigh, 1684 (published 1846, ed. James Hardiman). Origin of the Surname O'Flaherty, Anthony Matthews, Dublin, 1968, p. 40. CELT: Corpus of Electronic Texts at University College Cork