Geoghegan Family History
Geoghegan Surname Meaning
Irish: shortened Anglicized form of Gaelic Mag Eochagáin, a patronymic from the personal name Eochagán, a diminutive of Eochaidh.
Eochaidhe means ‘horseman’.
Compare Caughey.
Source: Dictionary of American Family Names 2nd edition, 2022
