Irish Baby Name · Boy

Cathasach

Pronounced: KA-ha-sukh

Meaning: Vigilant, watchful

About the name

Origin
Irish
English version
Casey
Variants
Cathassach
Stronghold region
All-Ireland

Overview

An early Gaelic name carried by several figures in the annals, source of the surname Ó Cathasaigh (Casey). Associated with watchfulness and martial vigilance.

The story behind Cathasach

Several Cathasachs appear in Irish genealogies and the surname Casey, derived from Ó Cathasaigh, is found across all four provinces.

Mythology & legend

Non-mythological; descriptive name meaning 'vigilant'.

Did you know?

Source of the surname Ó Cathasaigh (Casey).

Like Cathasach? Find more with your partner.

Swipe through hundreds of Irish names and match on the ones you both love.

Start Swiping