Clay vs Killian

Baby Name Comparison — 2026

Clay

Boy #544 Most Popular 1 Syllable

"clay settlement, clay worker"

Origin: Old English

English American Southern American

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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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Clay Rank #544

Killian Rank #370

Killian is more popular, ranked #370 vs #544 for Clay.

Is Clay or Killian more popular?

Killian is more popular, ranked #370 compared to Clay at #544 in the United States.

What do Clay and Killian mean?

Clay means "clay settlement, clay worker" (Old English origin). Killian means "associated with the church" (Irish Gaelic origin).

Are Clay and Killian boy or girl names?

Clay is primarily a boy name. Killian is primarily a boy name.