| 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 |
|---|---|---|---|
| Oak | Place Name | Boy | 9 |
| Oakden | From the Oak Tree Valley | Boy | 5 |
| Oakden | From the oak tree valley | Boy | 5 |
| Oakes | From the Oak Near the Oak Trees | Boy | 6 |
| Oakes | from the oak-tree grove | Boy | 6 |
| Oaklee | From the Oak Tree Meadow | Boy | 4 |
| Oakleigh | From the Oak Tree Meadow | Boy | 5 |
| Oakley | From the Oak Tree Meadow Forest | Boy | 6 |
| Oakley | From the oak - tree meadow | Boy | 6 |
| Oakleyl | TBD | Boy | 9 |
| Oakly | From the Oak Tree Meadow | Boy | 1 |
| Oaks | Place Name Near the Oak Trees | Boy | 1 |
| Oates | Son of Otto, Variant of Odo | Boy | 6 |
| Obama | Slightly Bent | Boy | 5 |
| Obedience | Obedience | Boy | 8 |
| Oberon | In A Midsummer Nights Dream, Shakespeare altered the spelling to Auberon, king of the fairies, to Oberon | Boy | 6 |
| Obi | Heart Palace Kind | Boy | 8 |
| Obie | The Quality of Being Obedient | Boy | 4 |
| Occa | TBD | Boy | 4 |
| Ocelfa | From the High Plain | Boy | 6 |
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| Ocga | TBD | Boy | 8 |
| Ochs | Place Name Near the Oak Trees | Boy | 9 |
| Octa | TBD | Boy | 3 |
| Octavian | Born Eighth | Boy | 4 |
| Octavio | Eighth Child | Boy | 4 |
| Octavius | Eighth Born | Boy | 2 |
| October | Born During Autumn | Boy | 6 |
| Odale | Of the Valley | Boy | 1 |
| Odale | Of the valley | Boy | 1 |
| Odalric | TBD | Boy | 8 |
| Odam | Son in Law | Boy | 6 |
| Odam | Son in law | Boy | 6 |
| Odard | TBD | Boy | 6 |
| Odayle | Of the Valley | Boy | 8 |
| Odayle | Of the valley | Boy | 8 |
| Odbehrt | TBD | Boy | 9 |
| Odda | TBD | Boy | 6 |
| Odell | Otter, Wealthy, Song, Surname | Boy | 3 |
| Odell | Of the valley | Boy | 3 |
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| Odin | Inspiration, Wealthy Defender | Boy | 6 |
| Odo | Name of a Bishop, Prosperous | Boy | 7 |
| Odoacer | TBD | Boy | 7 |
| Odom | Son in Law Oak Tree | Boy | 2 |
| Odom | Son in law | Boy | 2 |
| Odwolf | Wealthy Wolf | Boy | 3 |
| Odwolf | Wealthy wolf | Boy | 3 |
| Odwolfe | Wealthy Wolf | Boy | 8 |
| Odwolfe | Wealthy wolf | Boy | 8 |
| Odwulf | Wealthy Wolf | Boy | 9 |
| Odwulf | Wealthy wolf | Boy | 9 |
| Oegelsby | Fearsome | Boy | 9 |
| Oegelsby | Fearsome | Boy | 9 |
| Oelfwine | TBD | Boy | 8 |
| Oeric | TBD | Boy | 5 |
| Oethelwald | TBD | Boy | 6 |
| Offa | Name of a King Lion | Boy | 1 |
| Offede | TBD | Boy | 5 |
| Oftfor | TBD | Boy | 8 |
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| Ogden | From the Oak Tree Valley | Boy | 9 |
| Ogden | From the oak tree valley | Boy | 9 |
| Ogdon | From the oak tree valley | Boy | 1 |
| Ogdon | From the Oak Tree Valley | Boy | 1 |
| Ogelsby | Fearsome | Boy | 4 |
| Ogelsby | Fearsome | Boy | 4 |
| Ogelsvie | Fearsome | Boy | 4 |
| Ogelsvie | Fearsome | Boy | 4 |
| Ogelsvy | Fearsome | Boy | 6 |
| Ogelsvy | Fearsome | Boy | 6 |
| Oger | TBD | Boy | 9 |
| Ogie | High | Boy | 9 |
| Oglesby | Awe-inspiring | Boy | 4 |
| Ogrins | TBD | Boy | 1 |
| Oguhyr | TBD | Boy | 4 |
| Ohta | TBD | Boy | 8 |
| Ohthere | TBD | Boy | 7 |
| Oiddii | TBD | Boy | 5 |
| Oidilwald | TBD | Boy | 8 |
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| Okely | TBD | Boy | 5 |
| Okes | From the Oak | Boy | 5 |
| Okes | From the oak | Boy | 5 |
| Okey | Oak | Boy | 2 |
| Ola | Wealth, Defender of Mankind | Boy | 1 |
| Olef | Family Descendant | Boy | 2 |
| Olen | Holy Ancestor Relic | Boy | 1 |
| Olesya | TBD | Boy | 5 |
| Olever | Young | Boy | 5 |
| Olin | Holly Ancestor Hallowed | Boy | 5 |
| Oliva | Olive Tree Olive | Boy | 5 |
| Oliver | Olive Tree, Elf Army | Boy | 9 |
| Oliver | The olive tree The biblical olive tree symbolizes fruitfulness and beauty and dignity Extending an olive branch signifies an offer of peace | Boy | 9 |
| Olivia | Elf Army Ancestors Descendant | Boy | 5 |
| Olivier | From the Olive Tree Elf Army | Boy | 9 |
| Olla | Precious | Boy | 4 |
| Ollaneg | From Olney | Boy | 3 |
| Ollaneg | From Olney | Boy | 3 |
| Ollie | Olive Tree, Form of Oliver | Boy | 8 |