Ó Cathasaigh

Irish

Etymology

From Old Irish cathaisech (vigilant; noisy). By surface analysis, cathais (vigil, watch) +‎ -ach. Compare cathaiseach.

Pronunciation

  • IPA(key): /ˈkahəsˠiː/

Proper noun

Ó Cathasaigh m (genitive Uí Chathasaigh)

  1. a male surname from Old Irish, feminine equivalent Ní Chathasaigh, equivalent to English Casey

References