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Globally, Caitrìona (Catriona
, Caitrìona) is quite a common female first name. The first name Caitrìona is characteristic of Northern Europe, particularly Aland Islands, where it is quite a common boy's name, Ireland, where it is quite a common girly name, and the United Kingdom, where it is quite a rare female name. In absolute terms, it is the most numerous in the United Kingdom, Australia, and Ireland. Very seldom, Caitrìona is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Catriona | New Zealand, United States, Australia, Ireland, United Kingdom |