Carolan Family History
Carolan Surname Meaning
Irish: Anglicized form of Gaelic Ó Cearbhalláin a northern and midland Irish name meaning ‘descendant of Cearbhallán’ a diminutive of the personal name Cearbhall (see Carroll).
Anglicized form of Ó Cairealláin ‘descendant of Caireallán’ a diminutive of the personal name Caireall.
In the 12th and 13th centuries this family were chieftains of Clondermot in Derry.
Carleton was later adopted as an English equivalent.
Source: Dictionary of American Family Names 2nd edition, 2022
