Callan Family History
Callan Name Meaning
Irish: reduced Anglicized form of Gaelic Ó Cathaláin ‘descendant of Cathalán’, a personal name representing a diminutive of Cathal (see Cahill). Irish and Scottish: Anglicized form of Gaelic Mac Ailin, a patronymic from an old Gaelic personal name derived from ail ‘rock’. Irish and Scottish: Anglicized form of Gaelic Mac Cailin ‘son of Cailin’ (see Collin).
Source: Dictionary of American Family Names ©2013, Oxford University Press