Oliver vs Un

Baby Name Comparison — 2026

Oliver

Boy #3 Most Popular 3 Syllables

Meaning

"olive tree"

Origin: Latin

Cultural Roots

English French Scandinavian

Quick Stats

Popularity Rank: #3
Total SSA Count: 15,343
Syllables: 3
Formality: Moderate
Nicknames: Ollie, Oli

Playground Safety Score

✓ All Clear

Similar Names

Harrison Maverick Carson Nicholas

Full profile for Oliver →

Un

Boy #14,975 Most Popular

Quick Stats

Popularity Rank: #14,975
Total SSA Count: 7

Playground Safety Score

✓ All Clear

Similar Names

Dam Emilia Onslow Eremy

Full profile for Un →

Popularity Comparison

Oliver Rank #3

Un Rank #14,975

Oliver is more popular, ranked #3 vs #14975 for Un.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Oliver ___

Oliver James
Oliver Thomas
Oliver William
Oliver Henry
Oliver John
Oliver Benjamin

Un ___

No pairings available yet.

Sibling Name Ideas

Names that pair well as siblings.

If you choose Oliver

Olivia Charlotte Emma Sophia Amelia

If you choose Un

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 Oliver or Un more popular?

Oliver is more popular, ranked #3 compared to Un at #14975 in the United States.

What do Oliver and Un mean?

Oliver means "olive tree" (Latin origin).

Are Oliver and Un boy or girl names?

Oliver is primarily a boy name. Un is primarily a boy name.

More Comparisons

Un vs Oliver Oliver vs Harrison Oliver vs Maverick Oliver vs Carson Oliver vs Nicholas

← Full profile: Oliver ← Full profile: Un Browse all baby names