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John James Brennan was a famous Irish sportsperson who played hurling with Kilkenny. In a senior inter-county career that lasted from 1905 until 1914 he won four All-Ireland titles and four Leinster titles.
He also was successful in playing rugby winning the Leinster Junior Cup with Kilkenny in 1920.
He was a doctor who worked in Kilkenny, as a ship's surgeon with the Cunard Line on the Mauretania and later in London before returning to Kilkenny where he died in 1944.
