Miller vs Killian

Baby Name Comparison — 2026

Miller

Boy #439 Most Popular 2 Syllables

"one who mills grain"

Origin: Old English (mylenweard)

English American German

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Boy #370 Most Popular 3 Syllables

"associated with the church"

Origin: Irish Gaelic

Irish French American English

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Miller Rank #439

Killian Rank #370

Killian is more popular, ranked #370 vs #439 for Miller.

Is Miller or Killian more popular?

Killian is more popular, ranked #370 compared to Miller at #439 in the United States.

What do Miller and Killian mean?

Miller means "one who mills grain" (Old English (mylenweard) origin). Killian means "associated with the church" (Irish Gaelic origin).

Are Miller and Killian boy or girl names?

Miller is primarily a boy name. Killian is primarily a boy name.