Casey (surname) explained

Casey
Meaning:Vigilant or watchful
Region:Ireland
Language:Old Irish
(Anglicized)
Variant:Caissie
O'Casey
O'Cathasaigh
MacCasey
O'Casaigh

Casey is a common variation of the Irish Gaelic Cathasaigh/Cathaiseach, meaning vigilant or watchful. At least six different septs used this name, primarily in the counties of Cork and Dublin.

People with the surname Casey include:

Fictional characters

See also