Carl vs Kaius

Baby Name Comparison — 2026

Carl

Boy #1,035 Most Popular 1 Syllable

Meaning

"free man"

Origin: Old High German 'karl'

Cultural Roots

English American German Scandinavian

Quick Stats

Popularity Rank
#1,035
Total SSA Count
215
Syllables
1
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Carl →

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

Carl Rank #1,035
Kaius Rank #1,137

Carl is more popular, ranked #1035 vs #1137 for Kaius.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Carl ___

  • Carl James
  • Carl Edward
  • Carl Thomas
  • Carl Frederick
  • Carl William
  • Carl Anthony

Kaius ___

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

Sibling Name Ideas

Names that pair well as siblings.

If you choose Carl

Ernest Walter Harold Dorothy Mildred

If you choose Kaius

Callum Leona Aurora Finn Cassius

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 Carl or Kaius more popular?

Carl is more popular, ranked #1035 compared to Kaius at #1137 in the United States.

What do Carl and Kaius mean?

Carl means "free man" (Old High German 'karl' origin). Kaius means "rejoice, be glad" (Latin origin).

Are Carl and Kaius boy or girl names?

Carl is primarily a boy name. Kaius is primarily a boy name.

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← Full profile: Carl ← Full profile: Kaius Browse all baby names