| Girl | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Boy | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Girl | ||||||||||||
| A | B | C | D | E | F | G | H | I | J | K | L | M |
| N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Boy | ||||||||||||
| A | B | C | D | E | F | G | H | I | J | K | L | M |
| N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Name | Meaning | Gender | Numerology |
|---|---|---|---|
| Ofydd | Welsh form of Ovid a Roman poet | Boy | 9 |
| Olwydd | Tracker | Boy | 2 |
| Ondyaw | Legendary son of a French Duke | Boy | 1 |
| Oswallt | Welsh form of Oswald strength from God | Boy | 3 |
| Owain | Young warrior | Boy | 8 |
| Owein | Young warrior | Boy | 3 |
| Owen | Young warrior Also can be a variant of Eugene Well-born | Boy | 3 |
| Owin | Young warrior | Boy | 7 |
| Owyn | Young warrior | Boy | 5 |
| Owynn | Wellborn Form of Ewan | Boy | 1 |