Io

↓ Falling

Mostly a girl name · 84% girls / 16% boys since 2000

All-time babies

226

since 2000

Girls rank, 2025

#14942

5 babies

Boys rank, 2025

#12008

5 babies

Peak year (girls)

2022

18 babies, #6464

Letters

2

1 syllable

Babies named Io per year

Popularity rank over time

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Names that sound like Io

Iya 412 babies ever Iyah 227 babies ever Iwao 178 babies ever Ia 160 babies ever Iowa 79 babies ever Iah 15 babies ever Ii 5 babies ever