UNUSUAL BABY NAMES BEGINNING WITH O

Oak (A type of tree)

Obsidian (A type of gemstone; a shade of black)

Océane (French: ocean)

Oceanine (French: from the ocean)

Odo (A character in Star Trek: Deep Space Nine)

Odwolfe (Old English: wealthy wolf)

Ohniaka (A planet in Star Trek: The Next Generation)

Onaya (Romani: care, grace; Sioux: watchful, awake)

Onycha (A biblical name)

Onyx (A type of gemstone)

Ophelia (Greek: help)

Osgood (Anglo-Saxon: good god, divine creator; also the name of horror movie director Osgood Perkins)

Osian (An ancient Irish poet and warrior; Welsh: little deer)

Oxani (A Romani name derived from the word for ‘witch’)

Oxna (A Scottish island)

Ozzy (A derivative of Osgood; also the name of Ozzy Osbourne, often credited with creating the heavy metal music genre.