Io is a unique and distinctive given name of Greek origin, derived from the Ionic form of the Greek word 'ἰοῦν' meaning "violet". It is primarily used as a feminine name but can also be considered unisex due to its modern usage. Io is often associated with the legendary nymph of the same name in Greek mythology, who was transformed into a heifer by Zeus to hide her from his wife Hera. The name Io has been popularized in recent times through various literary works and cultural references, contributing to its appeal as a contemporary choice for parents seeking an uncommon yet meaningful name for their child.
The name Io was quite popular from 2006 to 2014 with a peak of 12 births each year from 2012 to 2014. However, it started gaining more traction recently, reaching an all-time high of 18 births in 2022. Since 2000, there have been a total of 185 births with the name Io.