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

• de Bhaldraithe, Tomás (1959) “Ó Cathasaigh”, in English-Irish Dictionary, An Gúm