Celtic names beginning with O
17 Celtic names beginning with O.
- O'ConnerDesire, wise aid, hound lover
- O'ConnorDesire, wise aid, hound lover
- OifaMythical sister of Ove
- OilellA mythical queen
- OlwenMythical daughter of Yspaddaden
- OlwynDaughter of a giant
- OranWhite
- OrianaBlond
- OrinWhite
- OscarJumping fighter
- OsckarJumping fighter
- OskarJumping fighter
- OskerJumping fighter
- OveMythical daughter of Dearg
- OwenYoung fighter
- OwinYoung fighter
- OwynYoung fighter