Cearbhall Ó Dálaigh (born Carroll O'Daly; 12 February 1911 – 21 March 1978) was an Irish barrister, judge and Fianna Fáil politician who served as the fifth president of Ireland from December 1974 to October 1976. Following a breakdown in relations with the government intensified by remarks made by a senior minister, he was the first president of Ireland to resign from office. Wikipedia
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