Killian vs Xander

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
Xander Rank #216

Xander is more popular, ranked #216 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

Xander ___

  • Xander James
  • Xander Cole
  • Xander Reid
  • Xander Blake
  • Xander Grey
  • Xander Miles

Sibling Name Ideas

Names that pair well as siblings.

If you choose Killian

Cormac Riordan Aoife Declan Niamh

If you choose Xander

Zoe Luna Felix Axel Cleo

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Killian or Xander more popular?

Xander is more popular, ranked #216 compared to Killian at #370 in the United States.

What do Killian and Xander mean?

Killian means "associated with the church" (Irish Gaelic origin). Xander means "defender of the people" (Greek origin).

Are Killian and Xander boy or girl names?

Killian is primarily a boy name. Xander is primarily a boy name.

More Comparisons

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