Eider vs Kaius

Baby Name Comparison — 2026

Eider

Boy #1,022 Most Popular 2 Syllables

"from the Eider river"

Origin: Germanic/Nordic

Basque German Scandinavian

✓ All Clear

Boy #1,137 Most Popular 3 Syllables

"rejoice, be glad"

Origin: Latin

Latin Scandinavian Finnish

✓ All Clear

Eider Rank #1,022

Kaius Rank #1,137

Eider is more popular, ranked #1022 vs #1137 for Kaius.

Is Eider or Kaius more popular?

Eider is more popular, ranked #1022 compared to Kaius at #1137 in the United States.

What do Eider and Kaius mean?

Eider means "from the Eider river" (Germanic/Nordic origin). Kaius means "rejoice, be glad" (Latin origin).

Are Eider and Kaius boy or girl names?

Eider is primarily a boy name. Kaius is primarily a boy name.