The name Io is a girl's name of Greek origin. Io and is often added to lists like Celestial Baby Names and discussed in our forums with posts like "Baby a Day".
From the experts:
Io may be one of the slightest names in the book, but there aren't many two-letter names with as much substance as this Greek mythological example. Io, a name used for the largest moon of Jupiter, was in classic myth raped by Zeus and escaped from him by changing herself into a cow.
Find other names based on Io using our baby name generator.
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