Barons O'Neill First holder William O' Neill, 1st baron O' Neill of Shane's Castle * 1813 Records #4 Holders Family filter On/Off 1 William O' Neill, 1st baron O' Neill of Shane's Castle * 1813 2 Edward O' Neill, 2nd baron O' Neill of Shane's Castle * 1839 3 Shane Edward Robert O'Neill, 3rd Baron O'Neill * 1907 4 Raymond Arthur Clanaboy O'Neill, 4th Baron O'Neill * 1933 Corrections and Updates To suggest a correction or an update. Click Here