Caidyn vs Kayn

Baby Name Comparison — 2026

Caidyn

Boy #4,196 Most Popular 2 Syllables

"battle, spirit of battle"

Origin: Welsh Gaelic

American English

✓ All Clear

Boy #4,031 Most Popular 1 Syllable

"spear, warrior"

Origin: Irish/Welsh

American English Irish

✓ All Clear

Caidyn Rank #4,196

Kayn Rank #4,031

Kayn is more popular, ranked #4031 vs #4196 for Caidyn.

Is Caidyn or Kayn more popular?

Kayn is more popular, ranked #4031 compared to Caidyn at #4196 in the United States.

What do Caidyn and Kayn mean?

Caidyn means "battle, spirit of battle" (Welsh Gaelic origin). Kayn means "spear, warrior" (Irish/Welsh origin).

Are Caidyn and Kayn boy or girl names?

Caidyn is primarily a boy name. Kayn is primarily a boy name.