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Killian vs Jax

Baby Name Comparison — 2026

Popularity Comparison

Killian Rank #370
Jax Rank #315

Jax is more popular, ranked #315 vs #370 for Killian.

Frequently Asked Questions

Is Killian or Jax more popular?

Jax is more popular, ranked #315 compared to Killian at #370 in the United States.

What do Killian and Jax mean?

Killian means "associated with the church" (Irish Gaelic origin).

Are Killian and Jax boy or girl names?

Killian is primarily a boy name. Jax is primarily a boy name.

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← Full profile: Killian ← Full profile: Jax Browse all baby names