Casey

Meaning

Descendant of Cathasach, meaning vigilant or watchful.

Etymology

Derived from the Irish Ó Cathasaigh, from the personal name Cathasach. The surname is associated with County Cork and County Limerick.

About the Casey Surname

Casey is a prominent Munster surname with medieval roots in southwest Ireland. The name became well-known internationally through Irish emigration and cultural figures.

Distribution & Frequency

Concentrated in Munster, particularly in County Cork, County Limerick, and County Kerry.

Casey Surname Distribution

Geographic distribution based on Civil War military records.

People with the Casey Surname