Kaius vs Oliver

Baby Name Comparison — 2026

Kaius

Boy #1,137 Most Popular 3 Syllables

Meaning

"rejoice, be glad"

Origin: Latin

Cultural Roots

Latin Scandinavian Finnish

Quick Stats

Popularity Rank
#1,137
Total SSA Count
186
Syllables
3
Formality
Moderate
Nicknames
Kai

Playground Safety Score

✓ All Clear
Full profile for Kaius →

Popularity Comparison

Kaius Rank #1,137
Oliver Rank #3

Oliver is more popular, ranked #3 vs #1137 for Kaius.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kaius ___

  • Kaius Alexander
  • Kaius James
  • Kaius Elliot
  • Kaius Arthur
  • Kaius Reid
  • Kaius Finn

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 Kaius

Callum Leona Aurora Finn Cassius

If you choose Oliver

Olivia Charlotte Emma Sophia Amelia

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Kaius or Oliver more popular?

Oliver is more popular, ranked #3 compared to Kaius at #1137 in the United States.

What do Kaius and Oliver mean?

Kaius means "rejoice, be glad" (Latin origin). Oliver means "olive tree" (Latin origin).

Are Kaius and Oliver boy or girl names?

Kaius is primarily a boy name. Oliver is primarily a boy name.

More Comparisons

Oliver vs Kaius Kaius vs Jasai Kaius vs Deon Kaius vs Arden Kaius vs Bastian
← Full profile: Kaius ← Full profile: Oliver Browse all baby names