Io
Life — Associated with the moon
Greece origin · Unisex name
12% boys88% girls
#9867US 2023
10Births / yr
Falling
160All-time births
📅 Since 200000
How to pronounce Io
EYE·oh
/ˈaɪ.oʊ/ · stress on EYE · 2 syllables
Life
Associated with the moon · Greece origin

What does Io mean and where does it come from?

Io is a name of Greek origin, derived from mythology where Io was a priestess of Hera and one of Zeus's lovers. The name means 'life' in Greek. In Roman mythology, she is associated with the moon, as one of Jupiter's many callings. The name has been used in various cultures and languages, including

Cultural significance
Io has been a cherished name across cultures, particularly in Greece-speaking communities, where it reflects values of life.
Peak popularity
Reached #7480 in 2016 — currently #9867 in the US.
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Related Reading
Greece-origin baby names with timeless appeal
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What middle names flow best with Io?

Io works best with short, strong middle names — one or two syllables keep the full name from becoming a mouthful

Io Grace
Most popular combo · classic
Io Rose
Floral · soft ending
Io Mae
Sweet · timeless
Io Claire
French influence · crisp
Io Jane
Literary · strong
Io Skye
Modern · airy feel
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Middle Names
The best middle names for Io
Browse ideas →

How popular is Io right now?

Falling — down 3319 spots — currently #9867 in the US out of 135.5k tracked names

US Trend 20002023#9867 · Top 7.3%
2000
2010
2015
2020
2021
2022
2023
YearUS RankBirthsvs Prior Year
2023#986710▼ down 3319 · -44% births
2022#654818▲ up 853 · +20% births
2021#740115▲ up 1857 · +36% births
2020#925811▲ up 8486 · +120% births
2015#177445▼ down 1603 · -17% births
2010#161416▲ up 1124 · +20% births
2000#172655

The story of Io

Io is a relatively modern name, first appearing in US records in 2000. With 160 total births recorded, Io remains relatively uncommon. The name has grown more popular over time, rising from #17265 in 2000 to #9867 in 2023. Io is used for both genders: 88% female and 12% male.

Names that peaked alongside Io in 2016:

Io by decade

DecadeBirths
2000s35
2010s108
2020s17
💎Io has only 160 total recorded births since 2000 — rarer than 99% of names in our database.

How is Io written in other languages?

Ιω
Ancient Greek

Common questions about the name Io

What does the name Io mean?
Io means "Life" — a name rooted in Greece tradition that carries both historical depth and timeless appeal. The meaning reflects values that have made this name endure across generations.
How popular is the name Io?
Io is currently a distinctive and less common name as a baby name in the US and is rapidly gaining popularity — searches for Io have increased significantly in recent years.
What is the cultural origin of Io?
Io originates from Greece tradition. Greece names tend to carry strong cultural heritage and have spread across the world through migration, literature, and religion over centuries.
How do you pronounce the name Io?
Io is a two-syllable name pronounced AY1 OW0. The pronunciation is straightforward for English speakers, and the name reads clearly on paper — an important practical consideration for parents.
Is Io trending right now?
Io is currently on the rise — it has gained significant momentum in recent years as parents discover its appeal.