Kaidyn vs Merlin

Baby Name Comparison — 2026

Kaidyn

Boy #1,961 Most Popular 2 Syllables

"companion, friend"

Origin: Arabic

American English

✓ All Clear

Boy #2,083 Most Popular 2 Syllables

"sea fortress"

Origin: Brittonic/Welsh

Welsh English French Medieval

✓ All Clear

Kaidyn Rank #1,961

Merlin Rank #2,083

Kaidyn is more popular, ranked #1961 vs #2083 for Merlin.

Is Kaidyn or Merlin more popular?

Kaidyn is more popular, ranked #1961 compared to Merlin at #2083 in the United States.

What do Kaidyn and Merlin mean?

Kaidyn means "companion, friend" (Arabic origin). Merlin means "sea fortress" (Brittonic/Welsh origin).

Are Kaidyn and Merlin boy or girl names?

Kaidyn is primarily a boy name. Merlin is primarily a boy name.