Jeffrey vs Killian

Baby Name Comparison — 2026

Jeffrey

Boy #521 Most Popular 3 Syllables

"pledge of peace"

Origin: Germanic

English American French

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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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Jeffrey Rank #521

Killian Rank #370

Killian is more popular, ranked #370 vs #521 for Jeffrey.

Is Jeffrey or Killian more popular?

Killian is more popular, ranked #370 compared to Jeffrey at #521 in the United States.

What do Jeffrey and Killian mean?

Jeffrey means "pledge of peace" (Germanic origin). Killian means "associated with the church" (Irish Gaelic origin).

Are Jeffrey and Killian boy or girl names?

Jeffrey is primarily a boy name. Killian is primarily a boy name.