Mark vs Killian

Baby Name Comparison — 2026

Mark

Boy #246 Most Popular 1 Syllable

"of Mars, warlike"

Origin: Latin

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Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

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Mark Rank #246

Killian Rank #370

Mark is more popular, ranked #246 vs #370 for Killian.

Is Mark or Killian more popular?

Mark is more popular, ranked #246 compared to Killian at #370 in the United States.

What do Mark and Killian mean?

Mark means "of Mars, warlike" (Latin origin). Killian means "associated with the church" (Irish Gaelic origin).

Are Mark and Killian boy or girl names?

Mark is primarily a boy name. Killian is primarily a boy name.