O'Hartigan, poet, see "[Cinaeth]"
O'Hanlon, Father John, Lives of the Irish Saints, [198]
O'Hehirs, the, [62]
O'Heynes, the, [33]
O'Heffernan, poet, [604]
O'Hĭginses, the, [524]
O'Hĭgrinn Teig, [Tadhg] Dall, poet, [519], [537]
O'Hĭginn, Conor, poet, [520]
O'Higgin, or Hĭginn, John, poet, [473]
O'Huidhrin, poet, [469]