Oliver vs Onassis

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

Jonathan Grayson Jayden Luis

Full profile for Oliver →

Onassis

Boy #13,616 Most Popular

Quick Stats

Popularity Rank: #13,616
Total SSA Count: 7
Nicknames: Ona, Onas, Onasy

Playground Safety Score

✓ All Clear

Similar Names

Oluwatomi Kino Prayash Elester

Full profile for Onassis →

Popularity Comparison

Oliver Rank #3

Onassis Rank #13,616

Oliver is more popular, ranked #3 vs #13616 for Onassis.

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

Onassis ___

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 Onassis

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 Onassis more popular?

Oliver is more popular, ranked #3 compared to Onassis at #13616 in the United States.

What do Oliver and Onassis mean?

Oliver means "olive tree" (Latin origin).

Are Oliver and Onassis boy or girl names?

Oliver is primarily a boy name. Onassis is primarily a boy name.

More Comparisons

Onassis vs Oliver Oliver vs Jonathan Oliver vs Grayson Oliver vs Jayden Oliver vs Luis

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