Olivia vs Su

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

Savannah Maya Julia Peyton

Full profile for Olivia →

Su

Boy #13,086 Most Popular

Quick Stats

Popularity Rank: #13,086
Total SSA Count: 7

Playground Safety Score

✓ All Clear

Similar Names

Franck Tonio Daphne

Full profile for Su →

Popularity Comparison

Olivia Rank #1

Su Rank #13,086

Olivia is more popular, ranked #1 vs #13086 for Su.

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

Su ___

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 Su

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 Su more popular?

Olivia is more popular, ranked #1 compared to Su at #13086 in the United States.

What do Olivia and Su mean?

Olivia means "olive tree" (Latin origin).

Are Olivia and Su boy or girl names?

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

More Comparisons

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