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 #15815 in the US.
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Related Reading
Greece-origin baby names with timeless appeal
Browse names →How else can you spell Io?
Same sound, different look — useful if you want something slightly more distinctive
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 Leah
One syllable · timeless choice
Io Quinn
One syllable · timeless choice
Io Blair
One syllable · on the rise
Io Ruth
One syllable · timeless choice
Io Wren
One syllable · vintage charm
Io Faith
One syllable · vintage charm
How popular is Io right now?
Falling — down 5948 spots — currently #15815 in the US out of 135.5k tracked names
| Year | US Rank | Births | vs Prior Year |
|---|
| 2025 | #15815 | 5 | ▼ down 5948 · -50% births |
| 2023 | #9867 | 10 | ▼ down 3319 · -44% births |
| 2022 | #6548 | 18 | ▲ up 853 · +20% births |
| 2021 | #7401 | 15 | ▲ up 1857 · +36% births |
| 2020 | #9258 | 11 | ▲ up 8486 · +120% births |
| 2015 | #17744 | 5 | ▼ down 1603 · -17% births |
| 2010 | #16141 | 6 | ▲ up 1124 · +20% births |
| 2000 | #17265 | 5 | — |
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 has only 160 total recorded births since 2000 — rarer than 99% of names in our database.
What names sound and feel like Io?
Based on sound, origin, and style — parents who love Io also consider these
How is Io written in other languages?
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 EYE-oh. 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.