Derek vs Killian

Baby Name Comparison — 2026

Derek

Boy #258 Most Popular 2 Syllables

"ruler of the people"

Origin: Germanic

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Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

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Derek Rank #258

Killian Rank #370

Derek is more popular, ranked #258 vs #370 for Killian.

Is Derek or Killian more popular?

Derek is more popular, ranked #258 compared to Killian at #370 in the United States.

What do Derek and Killian mean?

Derek means "ruler of the people" (Germanic origin). Killian means "associated with the church" (Irish Gaelic origin).

Are Derek and Killian boy or girl names?

Derek is primarily a boy name. Killian is primarily a boy name.