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Surname Etymology and Meaning of HERNON
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Name meanings and etymologies are often disputed. The information here is compiled from freely available sources, and no claims whatsoever are made for accuracy, either historical or etymological.
- Anglicized form of Gaelic Ó hIarnáin, Ó hEarnáin, ‘descendant of Iarnán, Earnán’, possibly from i-arn ‘iron’.
- reduced form of Heffernan.
Source: Dictionary of American Family Names (2003)
