Olivia vs Ro

Baby Name Comparison — 2026

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

✓ All Clear

Similar Names

Gianna Stella Raelynn Maria

Full profile for Olivia →

Ro

Boy #18,686 Most Popular

Quick Stats

Popularity Rank: #18,686
Total SSA Count: 6

Playground Safety Score

✓ All Clear

Similar Names

Shankar Kaneki Aryansh Mergen

Full profile for Ro →

Popularity Comparison

Olivia Rank #1

Ro Rank #18,686

Olivia is more popular, ranked #1 vs #18686 for Ro.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Olivia ___

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

Ro ___

No pairings available yet.

Sibling Name Ideas

Names that pair well as siblings.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

If you choose Ro

No sibling data available yet.

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 Olivia or Ro more popular?

Olivia is more popular, ranked #1 compared to Ro at #18686 in the United States.

What do Olivia and Ro mean?

Olivia means "olive tree" (Latin origin).

Are Olivia and Ro boy or girl names?

Olivia is primarily a girl name. Ro is primarily a boy name.

More Comparisons

Ro vs Olivia Olivia vs Gianna Olivia vs Stella Olivia vs Raelynn Olivia vs Maria

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