| 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 |
|---|---|---|---|
| Osweald | Divinely Powerful God Rule | Boy | 7 |
| Osweald | Divinely powerful | Boy | 7 |
| Oswell | Divinely powerful | Boy | 5 |
| Oswell | Divinely Powerful | Boy | 5 |
| Oswin | Divine friend Gods friend | Boy | 8 |
| Oswin | Divine Friend, Friend of God | Boy | 8 |
| Oswine | Name of a King | Boy | 4 |
| Oswinn | Divine Friend | Boy | 4 |
| Oswinus | TBD | Boy | 3 |
| Oswiu | Name of a King | Boy | 6 |
| Oswold | Rule of God Divine Power | Boy | 7 |
| Oswudu | TBD | Boy | 4 |
| Oswuff | TBD | Boy | 9 |
| Oswulf | Gods Wolf | Boy | 6 |
| Oswy | Supreme Power Name of a King | Boy | 1 |
| Oswyn | Divine Friend | Boy | 6 |
| Oswynn | Divine Friend | Boy | 2 |
| Osyth | TBD | Boy | 6 |
| Ota | Rich Wealthy Prosperous | Boy | 9 |
| Otess | Son of Otto | Boy | 6 |
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| Otta | Thin One | Boy | 2 |
| Ottewell | TBD | Boy | 4 |
| Otto | Fortune, Born Eighth, Wealthy | Boy | 7 |
| Otuel | TBD | Boy | 1 |
| Otugoma | King Warrior, Prince, Happiness | Boy | 2 |
| Oudoceus | TBD | Boy | 4 |
| Ouein | TBD | Boy | 1 |
| Oughtred | TBD | Boy | 8 |
| Ounslow | From the Enthusiasts Hill | Boy | 2 |
| Ovais | A Companion of Prophet Mohammed | Boy | 3 |
| Overton | Town High on a Hill Upper Town | Boy | 1 |
| Ovin | Handsome | Boy | 6 |
| Owain | Variant of Ewen Variant of Eoghan or Eugene | Boy | 8 |
| Owain | Son of Urien, Well Born | Boy | 8 |
| Owaine | Youth Lamb Yahweh is Gracious | Boy | 4 |
| Owein | Young Warrior Well Born | Boy | 3 |
| Owen | Variant of Ewen Variant of Eoghan or Eugene | Boy | 3 |
| Owen | Help from Allah, Well Born | Boy | 3 |
| Owens | Yahweh is Gracious Lamb Youth | Boy | 4 |
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| Owin | Young Fighter Well Born | Boy | 7 |
| Oxford | From the ox ford | Boy | 1 |
| Oxford | From the Ox Ford | Boy | 1 |
| Oxforde | TBD | Boy | 6 |
| Oxley | From the ox enclosure | Boy | 9 |
| Oxley | From the Ox Enclosure | Boy | 9 |
| Oxnaford | From the ox ford | Boy | 7 |
| Oxnaford | From the Ox Ford | Boy | 7 |
| Oxnaleah | From the ox enclosure | Boy | 8 |
| Oxnaleah | From the Ox Enclosure | Boy | 8 |
| Oxnatun | From the Ox Farm | Boy | 1 |
| Oxnatun | From the ox farm | Boy | 1 |
| Oxton | From the ox farm | Boy | 7 |
| Oxton | From the Ox Enclosure | Boy | 7 |
| Oz | Divine | Boy | 5 |
| Oz | Divine | Boy | 5 |
| Ozias | Strength from the Lord | Boy | 7 |
| Ozmen | TBD | Boy | 1 |
| Ozwell | TBD | Boy | 3 |
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| Ozzie | Diminutive of Oswald Divine power | Boy | 9 |
| Ozzie | Divine Power Ruler | Boy | 9 |
| Ozzy | Diminutive of Oswald Divine power | Boy | 2 |
| Ozzy | God of Bears | Boy | 2 |
| OzzyLeBron | Gods Divine Power | Boy | 5 |