John O'Neill (Fenian)

John O'Neill
Born(1834-03-09)March 9, 1834
DiedJanuary 8, 1878(1878-01-08) (aged 43)
Omaha, Nebraska, United States
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SpouseMary Crow

John Charles O'Neill (9 March 1834 – 8 January 1878) was an Irish-born officer in the American Civil War and member of the Fenian Brotherhood. O'Neill is best known for his activities leading the Fenian raids on Canada in 1866 and 1871.