Merlin vs Calder

Baby Name Comparison — 2026

Merlin

Boy #2,083 Most Popular 2 Syllables

"sea fortress"

Origin: Brittonic/Welsh

Welsh English French Medieval

✓ All Clear

Boy #2,005 Most Popular 2 Syllables

"rough waters, hard stream"

Origin: Scottish Gaelic

Scottish English American

✓ All Clear

Merlin Rank #2,083

Calder Rank #2,005

Calder is more popular, ranked #2005 vs #2083 for Merlin.

Is Merlin or Calder more popular?

Calder is more popular, ranked #2005 compared to Merlin at #2083 in the United States.

What do Merlin and Calder mean?

Merlin means "sea fortress" (Brittonic/Welsh origin). Calder means "rough waters, hard stream" (Scottish Gaelic origin).

Are Merlin and Calder boy or girl names?

Merlin is primarily a boy name. Calder is primarily a boy name.