Kellen vs Kilian

Baby Name Comparison — 2026

Kellen

Boy #1,031 Most Popular 2 Syllables

Meaning

"slender, narrow"

Origin: Irish Gaelic 'caol'

Cultural Roots

Irish American German

Quick Stats

Popularity Rank
#1,031
Total SSA Count
216
Syllables
2
Formality
Moderate
Nicknames
Kell

Playground Safety Score

✓ All Clear
Full profile for Kellen →

Kilian

Boy #1,052 Most Popular 3 Syllables

Meaning

"little church"

Origin: Irish Gaelic

Cultural Roots

Irish German French

Quick Stats

Popularity Rank
#1,052
Total SSA Count
209
Syllables
3
Formality
Moderate
Nicknames
Kili, Kill, Ian

Playground Safety Score

✓ All Clear
Full profile for Kilian →

Popularity Comparison

Kellen Rank #1,031
Kilian Rank #1,052

Kellen is more popular, ranked #1031 vs #1052 for Kilian.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kellen ___

  • Kellen James
  • Kellen Michael
  • Kellen Patrick
  • Kellen Thomas
  • Kellen Ryan
  • Kellen Dean

Kilian ___

  • Kilian James
  • Kilian Patrick
  • Kilian Sean
  • Kilian Finn
  • Kilian John
  • Kilian Thomas

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kellen

Declan Liam Nolan Cormac Aiden

If you choose Kilian

Declan Niall Fionn Ronan Siobhan

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Kellen or Kilian more popular?

Kellen is more popular, ranked #1031 compared to Kilian at #1052 in the United States.

What do Kellen and Kilian mean?

Kellen means "slender, narrow" (Irish Gaelic 'caol' origin). Kilian means "little church" (Irish Gaelic origin).

Are Kellen and Kilian boy or girl names?

Kellen is primarily a boy name. Kilian is primarily a boy name.

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← Full profile: Kellen ← Full profile: Kilian Browse all baby names