US Popularity Rank: 9143

Origin: Greek

Meaning: Sea

The Greek girl’s name Thalassa means “sea.” In Greek mythology, the daughter of Aether and Hemera, Thalassa, is the female personification and goddess of the Mediterranean Sea. This name was also given to a moon formed from fragments of Neptune’s original moons. So by giving baby the name Thalassa, you'll be showing them you'll always love them to the moon and back.