Io
EE-O
Japanese
"rely on + emperor, rely on + hero"
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Updated Tue May 12 2026
The name Io peaked for boys at #9951 in 2020. Io is occasionally used for girls in 2025.
The name Io in Nameberry Blog Posts
- Moonstruck Names: Lunar names from Calypso to Cressida
- Greek Names for Girls: 21 unexplored ancient treasures
- Night Names are Heavenly
- 200+ Unique and Amazing Nature Names
- Two-Letter Baby Names: Bo,Ty and Vi
- 15 Stellar Astronomy Baby Names
- Moon Names for Babies Shimmer and Shine
- Sagittarius Names Hit the Target
More Lists containing Io
- Animal Names for Boys
- 2 Letter Boy Names
- Names Ending in O for Boys
- Names That Mean Hero
- One Syllable Names for Boys
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The Nameberry App Is Live
Find your perfect baby name together in our iPhone app, now available on the App Store.
- Swipe through thousands of names with your partner
- Names you match on are saved to your shared list
- Get personalized recommendations that learn based on your and your partner's preferences
- Partner with friends and family to find names you all love
- Backed by Nameberry's 20 years of data around name preferences.