Io vs Olivia

Baby Name Comparison — 2026

Io

Girl #11,076 Most Popular

Quick Stats

Popularity Rank: #11,076
Total SSA Count: 10

Playground Safety Score

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Similar Names

Ciera Tykia Larah Sway

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Olivia

Girl #1 Most Popular 4 Syllables

Meaning

"olive tree"

Origin: Latin

Cultural Roots

English Italian American

Quick Stats

Popularity Rank: #1
Total SSA Count: 14,718
Syllables: 4
Formality: Moderate
Nicknames: Liv, Livvy, Oli

Playground Safety Score

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Similar Names

Avery Autumn Vivian Isabel

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Popularity Comparison

Io Rank #11,076

Olivia Rank #1

Olivia is more popular, ranked #1 vs #11076 for Io.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Io ___

No pairings available yet.

Olivia ___

Olivia Rose
Olivia Grace
Olivia Jane
Olivia Mae
Olivia Claire
Olivia Jade

Sibling Name Ideas

Names that pair well as siblings.

If you choose Io

No sibling data available yet.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Io or Olivia more popular?

Olivia is more popular, ranked #1 compared to Io at #11076 in the United States.

What do Io and Olivia mean?

Olivia means "olive tree" (Latin origin).

Are Io and Olivia boy or girl names?

Io is primarily a girl name. Olivia is primarily a girl name.

More Comparisons

Olivia vs Io Io vs Ciera Io vs Tykia Io vs Larah Io vs Sway

← Full profile: Io ← Full profile: Olivia Browse all baby names