| Name | M/F | Meaning |
|---|---|---|
| Oakley | ![]() |
Meaning : From The Oak Tree Field Used in : American, Anglo, Australian, English, British, English, Australian, British |
| Oby | ![]() |
Meaning : Used in : African |
| Oddny | ![]() |
Meaning : In Swedish meaning is : New point Used in : Norse, Norwegian, Swedish |
| Oddy | ![]() |
Meaning : Used in : African, African |
| Odyssey | ![]() |
Meaning : Used in : Australian |
| Okwy | ![]() |
Meaning : Used in : African, African |
| Olcay | ![]() |
Meaning : In turkish meaning is : Luck Used in : Australian, Turkish, German, German, Australian, Turkish |
| Olly | ![]() |
Meaning : Used in : French, German, Latin, German, Swedish, Australian |
| Omay | ![]() |
Meaning : Used in : Turkish |
| Oney | ![]() |
Meaning : Used in : Irish, African, Australian |
| Oppy | ![]() |
Meaning : Used in : Australian |
| Ordery | ![]() |
Meaning : Used in : Australian |
| Oreilly | ![]() |
Meaning : Used in : Australian |
| Orley | ![]() |
Meaning : Used in : Australian |
| Orly | ![]() |
Meaning : In hebrew meaning is : Form of Orli. The light is mine Used in : Latin, Australian, Hebrew |
| Orthey | ![]() |
Meaning : Used in : German |
| Ossy | ![]() |
Meaning : Used in : African, Australian, British, English, German, African |
| Oumavathy | ![]() |
Meaning : Used in : Australian |
| Ozay | ![]() |
Meaning : Used in : Australian, Australian |