Calder vs Merlin

Baby Name Comparison — 2026

Calder

Boy #2,005 Most Popular 2 Syllables

"rough waters, hard stream"

Origin: Scottish Gaelic

Scottish English American

✓ All Clear

Boy #2,083 Most Popular 2 Syllables

"sea fortress"

Origin: Brittonic/Welsh

Welsh English French Medieval

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Calder Rank #2,005

Merlin Rank #2,083

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

Is Calder or Merlin more popular?

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

What do Calder and Merlin mean?

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

Are Calder and Merlin boy or girl names?

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