Arlin vs Merlin

Baby Name Comparison — 2026

Arlin

Boy #2,419 Most Popular 2 Syllables

"pledge, oath"

Origin: Irish Gaelic

Irish American

✓ All Clear

Boy #2,083 Most Popular 2 Syllables

"sea fortress"

Origin: Brittonic/Welsh

Welsh English French Medieval

✓ All Clear

Arlin Rank #2,419

Merlin Rank #2,083

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

Is Arlin or Merlin more popular?

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

What do Arlin and Merlin mean?

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

Are Arlin and Merlin boy or girl names?

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