Celtic and Old English Names

List of Celtic and Old English names suitable for fantasy characters.

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Filter by Gender: Any Male Female Neutral

Name	Sex	Origin	Meaning
Obharnait	Female	Irish	Little green one
Odanodan	Male	Irish	Of the red earth
Odell	Male	Irish	Otter
Odhran	Male	Irish	Pale green
Odran	Male	Irish	Pale green
Oengus	Male	Irish	One vigor
Ohnicio	Female	Irish	Honor
Oifa	Female	Celtic	Mythical sister of Ove
Oilbhe	Female	Irish	Olive
Oilell	Female	Celtic	A mythical queen
Oistin	Male	Irish	Majestic
Olwen	Female	Welsh	White footprints
Olwyn	Female	Celtic	Mythical daughter of Yspaddaden
Oma	Female	Irish	Little green one
Omat	Female	Irish	Little green one
Oran	Male	Irish	Pale green
Orghlaith	Female	Old English	Golden
Oriana	Female	Celtic	Blond
Orin	Male	Celtic	White
Orla	Female	Old English	Golden lady
Orlaith	Female	Old English	Golden lady
Orlaithe	Female	Old English	Golden lady
Osckar	Male	Celtic	Jumping fighter
Oskar	Male	Celtic	Jumping fighter
Osker	Male	Celtic	Jumping fighter
Ossian	Male	Irish	Fawn
Ove	Female	Celtic	Mythical daughter of Dearg
Owain	Male	Welsh	Well born
Owen	Male	Welsh	Well born
Owena	Female	Welsh	Born to nobility
Owin	Male	Celtic	Young fighter
Owyn	Male	Celtic	Young fighter
Name	Sex	Origin	Meaning