Meaning and history
Caitríona is the Irish form of Katherine, a name of Greek origin whose earliest meaning is uncertain but which was later associated with katharos, “pure.” It has long been established in Irish-speaking communities. Irish actress Caitríona Balfe and musician Caitríona O’Leary are notable bearers.
In 2025, 5 babies were recorded with the name Caitriona, ranking #14,942 among girls.