# | Name | Origin | Meaning | Gender | Save |
1 | O' | Irish | Descendent of. Irish surnames formed by prefacing O'. | M | |
2 | O'brian | Irish | Surname. | M | |
3 | O'brien | Irish | Surname. | M | |
4 | O'keefe | Irish | Surname. | M | |
5 | O'shay | Irish | Surname. | M | |
6 | O'shea | Irish | Surname. | M | |
7 | Oakden | English | From the oak tree valley. | M | |
8 | Oakes | English | From the oak. | M | |
9 | Oakley | English | From the oak - tree meadow. | M | |
10 | Oates | German | Variant of Odo: Wealth. | M | |
11 | Oba | Egyptian | King. | M | |
12 | Obadiah | Biblical | Servant of the Lord | M | |
13 | Obadiah | Hebrew | Servant/worshipper of the Lord. Obadiah was the prophet who wrote the shortest book in the Old Testament. | M | |
14 | Obal | Biblical | Inconvenience of old age. | M | |
15 | Obed | Biblical | A servant; workman | M | |
16 | Obed-edom | Biblical | Servant of Edom | M | |
17 | Obediah | Hebrew | Serves God. | M | |
18 | Oberon | English | In A Midsummer Night's Dream, Shakespeare altered the spelling to Auberon, king of the fairies, to Oberon. | M | |
19 | Oberon | German | Noble and bear-like. In a Midsummer Night's Dream, Shakespeare altered the spelling of Auberon (King of the fairies) to Oberon. | M | |
20 | Oberon | Shakespearean | A Midsummer Night's Dream' King of the Fairies. | M | |
21 | Obiareus | Greek | A Titan. | M | |
22 | Obil | Biblical | That weeps, who deserves to be bewailed. | M | |
23 | Oboth | Biblical | 'Dragons, fathers, desires' | M | |
24 | Oceanus | Greek | Father of the Oceanids. | M | |
25 | Ocelfa | English | From the high plain. | M | |
26 | Ocnus | Greek | Incompetent. | M | |
27 | Ocran | Biblical | A disturber, that disorders. | M | |
28 | Octave | French | Born eighth. | M | |
29 | Octavian | Latin | Variant of Octavius: Born eighth. Octavian was the name used commonly for the Emperor Augustus. | M | |
30 | Octavio | Latin | Eighth. | M | |
31 | Octavius | Latin | Born eighth. Octavius was a Roman clan name, as well as the original name of Emperor Augustus (commonly known as Octavian). Traditionally, this name was given to the eighth child in a large family. | M | |
32 | Octavius | Shakespearean | Antony and Cleopatra'. Octavius Caesar, Roman triumvir. 'The Tragedy of Julius Caesar' Triumvir after Caesar's death, later Augustus Caesar, first emperor of Rome. | M | |
33 | Octe | Anglo-Saxon | A son of Hengist. | M | |
34 | Octha | Anglo-Saxon | A son of Hengist. | M | |
35 | Octha | ArthurianLegend | Enemy of Arthur. | M |