Lucius Henry O'Brien (13 August 1842 – 25 September 1913) was Dean of Limerick from 1905 to 1913.thePeerage.com

Biography He was the son of William Smith O'Brien. He was born on 13 August 1842"O'Brien, Very Rev. Lucius H.", Who Was Who, A & C Black, an imprint of Bloomsbury Publishing plc, 1920–2008; online edn, Oxford University Press, December 2007, accessed 2 January 2013 and educated at St Columba's College and Trinity College, Dublin. He was ordained in 1867; and after a curacy in Mere held incumbencies at Ramelton and then Adare before his elevation to the Deanery."The Clergy List" London, Kelly's, 1913

He died on 25 September 1913."The Dean Of Limerick" The Times (London, England), Saturday, 27 September 1913; pg. 9; Issue 40328 (Obituaries)

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