Fergus Family History
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Fergus Name Meaning
Irish: reduced Anglicized form of Gaelic Ó Fearghuis or Ó Fearghasa ‘descendant of Fearghus’, a personal name composed of the elements fear ‘man’ + gus ‘vigor’, ‘force’, or possibly ‘choice’. This was the name of an early Irish mythological figure, a valiant warrior, also of the grandfather of St. Columba. Scottish: from the Gaelic personal name Fearghus (see 1 above).
Source: Dictionary of American Family Names ©2013, Oxford University Press