Caidyn vs Kaio

Baby Name Comparison — 2026

Caidyn

Boy #4,196 Most Popular 2 Syllables

"battle, spirit of battle"

Origin: Welsh Gaelic

American English

✓ All Clear

Boy #4,096 Most Popular 2 Syllables

"rejoice, be happy"

Origin: Latin

Brazilian Portuguese Japanese American

✓ All Clear

Caidyn Rank #4,196

Kaio Rank #4,096

Kaio is more popular, ranked #4096 vs #4196 for Caidyn.

Is Caidyn or Kaio more popular?

Kaio is more popular, ranked #4096 compared to Caidyn at #4196 in the United States.

What do Caidyn and Kaio mean?

Caidyn means "battle, spirit of battle" (Welsh Gaelic origin). Kaio means "rejoice, be happy" (Latin origin).

Are Caidyn and Kaio boy or girl names?

Caidyn is primarily a boy name. Kaio is primarily a boy name.