Grogan Family History
Grogan Name Meaning
Irish (Mayo and Offaly): shortened Anglicized form of Gaelic Ó Grúgáin ‘descendant of Grúgán’ a personal name from a diminutive of grúg ‘anger fierceness’. The patronymic form Mac Gruagáin (Anglicized McGrogan) is much rarer.
Source: Dictionary of American Family Names 2nd edition, 2022