Merlin vs Arlin

Baby Name Comparison — 2026

Merlin

Boy #2,083 Most Popular 2 Syllables

"sea fortress"

Origin: Brittonic/Welsh

Welsh English French Medieval

✓ All Clear

Boy #2,419 Most Popular 2 Syllables

"pledge, oath"

Origin: Irish Gaelic

Irish American

✓ All Clear

Merlin Rank #2,083

Arlin Rank #2,419

Merlin is more popular, ranked #2083 vs #2419 for Arlin.

Is Merlin or Arlin more popular?

Merlin is more popular, ranked #2083 compared to Arlin at #2419 in the United States.

What do Merlin and Arlin mean?

Merlin means "sea fortress" (Brittonic/Welsh origin). Arlin means "pledge, oath" (Irish Gaelic origin).

Are Merlin and Arlin boy or girl names?

Merlin is primarily a boy name. Arlin is primarily a boy name.