Cassius vs Oliver

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
Full profile for Oliver →

Popularity Comparison

Cassius Rank #568
Oliver Rank #3

Oliver is more popular, ranked #3 vs #568 for Cassius.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cassius ___

  • Cassius James
  • Cassius Marcus
  • Cassius Cole
  • Cassius Reid
  • Cassius Blake
  • Cassius Grant

Oliver ___

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

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cassius

Octavia Maximus Leonora Atticus Valentina

If you choose Oliver

Olivia Charlotte Emma Sophia Amelia

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 Cassius or Oliver more popular?

Oliver is more popular, ranked #3 compared to Cassius at #568 in the United States.

What do Cassius and Oliver mean?

Cassius means "hollow, empty" (Latin origin). Oliver means "olive tree" (Latin origin).

Are Cassius and Oliver boy or girl names?

Cassius is primarily a boy name. Oliver is primarily a boy name.

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