Cathbarr O'Donnell (Irish: Cathbarr Ó Domhnaill, c. 1583 - 15 September 1608)[1][2] was an Irish nobleman and member of the O'Donnell dynasty of Tyrconnell.
- ^ McGettigan, Darren (October 2009). "O'Donnell, Caffar". Dictionary of Irish Biography. doi:10.3318/dib.002288.v1.
- ^ Walsh 1930, p. 58.