| O |
| Name |
Meaning |
Origin |
| Oakes |
From the oak trees |
Old English |
| Obadiah |
Servant of God |
Hebrew |
| Odell |
Man of property |
Norse |
| Ogden |
From the oak tree valley |
Old English |
| Olaf |
Ancestral talisman relic |
Old Norse |
|
|
| Oliver |
Olive tree symbolizing peace |
Latin |
| Omar |
First son; follower of the Prophet |
Arabic |
| Ordway |
Warrior with spear |
Anglo-Saxon |
| Oren |
Pale |
Celtic |
| Orestes |
Mountain man |
Greek |
| Orion |
Son of fire |
Celtic |
| Orland |
From the famed land |
Teutonic |
|
|
| Ormond |
Mariner |
Teutonic |
| Orson |
Bearlike; strong |
Latin |
| Orton |
Wealthy |
Teutonic |
| Orville |
From the golden estate |
Old French |
| Osborn |
Divine bear |
Teutonic |
| Oscar |
Leaping spearman |
Celtic |
| Osgood |
Divine creator |
Teutonic |
|
|
| Osmond |
Divine Protector |
Teutonic |
| Oswald |
Having power from God |
Teutonic |
| Otis |
Keen of hearing |
Greek |
| Otto |
Prosperous |
Teutonic |
| Owen |
Young Warrior |
Celtic |
| Oxford |
From the river crossing of the oxen |
Old English |