Of Greek origin.
Used both as a masculine and a feminine name.
Alternative forms of the feminine name are Océan, Océane, Oceana.
English word “ocean”, meaning a large body of water, derives from Greek “Ωκεανός”, Okeanos.
In Greek mythology Okeanos was a Titan.
According to Hesiod’s “Theogony” he was the son of Gaia, the Earth, and Uranos, the Sky.
Okeanos was fathering almost all the deities who personified or lived in the rivers, seas, lakes and other bodies of water.