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Type Surname (from nickname)
Other Forms FormsDinneen

Meaning & History

Reduced Anglicized form of Gaelic Ó Duinnín which meant "descendant of Duinnín". The byname Duinnín was derived from a diminutive of Gaelic donn meaning "brown" (i.e. "brown-haired man") or "chieftain".
Added 7/6/2017 by LMS
Edited 5/14/2019 by SeaHorse15