Kaius vs Stefan

Baby Name Comparison — 2026

Popularity Comparison

Kaius Rank #1,137
Stefan Rank #1,002

Stefan is more popular, ranked #1002 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

Stefan ___

  • Stefan James
  • Stefan Alexander
  • Stefan Michael
  • Stefan Paul
  • Stefan Lukas
  • Stefan Andreas

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kaius

Callum Leona Aurora Finn Cassius

If you choose Stefan

Klaus Markus Lukas Katarina Ingrid

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 Kaius or Stefan more popular?

Stefan is more popular, ranked #1002 compared to Kaius at #1137 in the United States.

What do Kaius and Stefan mean?

Kaius means "rejoice, be glad" (Latin origin). Stefan means "crown, wreath" (Greek origin).

Are Kaius and Stefan boy or girl names?

Kaius is primarily a boy name. Stefan is primarily a boy name.

More Comparisons

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