José Carlos O'Neill (1 August 1815, in Lisbon, Encarnação (registered 1825) – 21 June 1887, in Lisbon, Encarnação), was the titular head of the Clanaboy O'Neill dynasty, whose family has been in Portugal since the 18th century.
Life He was the first-born son of the previous head José Maria O'Neill and wife Ludovina de Jesus Alves Solano.
He was a trader and the Main Manager of the Casa Comercial Torlades, who also received in his house in his Farm (Quinta) of as Machadas, at the term of Setúbal, Kings Pedro V of Portugal and Luís I of Portugal.Anuário da Nobreza de Portugal, III, 2006, Tomo III, pg. 1.392 and 1.398
He died unmarried and without issue. He was succeeded by his second brother Jorge Torlades O'Neill I.
See also Irish nobility Irish kings Irish royal families O'Neill (surname) Uí Néill, the Irish Dynasty Ó Neill Dynasty Today O'Neill of Clannaboy
References
External links José Carlos O'Neill's Genealogy in a Portuguese Genealogical site