TheNameDBCusick
PatronymicMeaning
Anglicized form of the Irish surname Ó Cúsacáin, meaning 'descendant of Cúsacán.'
Etymology
The surname derives from the Irish Ó Cúsacáin, where Cúsacán is a personal name of uncertain origin, possibly containing Irish elements. The anglicization replaced the Irish prefix with the English -ick ending.
About the Cusick Surname
An Irish patronymic surname that underwent anglicization, with the -ick ending replacing the traditional Irish Ó prefix. The name remains relatively uncommon outside of Ireland.
Distribution
Concentrated in Ireland, particularly in Ulster and Connacht regions, with populations in the United States and Canada.