Killian vs Noah

Baby Name Comparison — 2026

Killian

Boy #370 Most Popular 3 Syllables

Meaning

"associated with the church"

Origin: Irish Gaelic

Cultural Roots

Irish French American English

Quick Stats

Popularity Rank
#370
Total SSA Count
884
Syllables
3
Formality
Moderate
Nicknames
Killy, Kill, Ian

Playground Safety Score

✓ All Clear
Full profile for Killian →

Popularity Comparison

Killian Rank #370
Noah Rank #2

Noah is more popular, ranked #2 vs #370 for Killian.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Killian ___

  • Killian James
  • Killian Patrick
  • Killian Thomas
  • Killian Finn
  • Killian Rory
  • Killian Sean

Noah ___

  • Noah James
  • Noah Alexander
  • Noah William
  • Noah Thomas
  • Noah Oliver
  • Noah Henry

Sibling Name Ideas

Names that pair well as siblings.

If you choose Killian

Cormac Riordan Aoife Declan Niamh

If you choose Noah

Olivia Emma Sophia Liam Elijah

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Killian or Noah more popular?

Noah is more popular, ranked #2 compared to Killian at #370 in the United States.

What do Killian and Noah mean?

Killian means "associated with the church" (Irish Gaelic origin). Noah means "motion, wandering" (Hebrew origin).

Are Killian and Noah boy or girl names?

Killian is primarily a boy name. Noah is primarily a boy name.

More Comparisons

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