Gahan Family History
Gahan Name Meaning
Irish:: shortened form of McGahan from Mac Eacháin or Mag Eocháin. from Ó Gaoithín ‘descendant of Gaoithín’ a personal name from a diminutive of gaoth an adjective meaning ‘wise’ (probably the sense here) or a noun meaning ‘wind’. This name has been mistranslated as both Wynne and Wyndham in Connacht (see Wynne ). It may also be a shortened Anglicized form of the Ulster name Mac Gaoithín see McGeehan .
Source: Dictionary of American Family Names 2nd edition, 2022