William Bernard O'Donoghue (1843 –
16 March 1878) was an
Irish-American noted as having been the
treasurer in the
provisional government established by
Louis Riel at the
Red River Settlement during the
Red River Rebellion of 1869 – 1870. However, after fleeing to the
United States with Riel on
August 24, 1870, he subsequently broke with him following a meeting on
17 September where O'Donoghue unsuccessfully argued that the
American government should be asked to intercede on behalf of the
Métis people. O'Donoghue had by 1871 formed an association with the
Fenian Brotherhood, and on
5 October of that year led a force of 35 men on a cross-border raid into
Manitoba. The raid failed to attract the support of the Métis, and in fact, O'Donoghue was arrested by them and released to American authorities in
Minnesota. Following the failed Fenian invasion of Manitoba, O'Donoghue was employed as a
schoolteacher. He died of
tuberculosis in
St. Paul, Minnesota on 16 March 1878.
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