| Name | M/F | Meaning |
|---|---|---|
| Odgar | ![]() |
Meaning : Legendary Son Of Aedd. Used in : Welsh |
| Ofydd | ![]() |
Meaning : Welsh Form Of Ovid 'a Roman Poet'. Used in : Welsh |
| Olwydd | ![]() |
Meaning : Tracker. Used in : Welsh |
| Ondyaw | ![]() |
Meaning : Legendary Son Of A French Duke. Used in : Welsh |
| Oswallt | ![]() |
Meaning : Welsh Form Of Oswald 'strength From God'. Used in : Welsh |
| Owain | ![]() |
Meaning : Well Born. Used in : Arthurian - Legend, British, English, Greek, Swedish, Welsh |
| Owein | ![]() |
Meaning : Young Warrior. Used in : British, English, Welsh |
| Owen | ![]() |
Meaning : The Lord Is Gracious, Well Born. Used in : American, Australian, British, Celtic, Danish, Dutch, English, French, German, Greek, Irish, Jamaican, Swedish, Welsh, Australian |
| Owin | ![]() |
Meaning : Well Born. Used in : British, Celtic, English, Greek, Welsh |
| Owynn | ![]() |
Meaning : Wellborn. Form Of Ewan. Used in : Welsh |