Halley vs Kilyan

Baby Name Comparison — 2026

Kilyan

Boy #4,586 Most Popular 3 Syllables

Meaning

"church, monastic cell"

Origin: Irish Gaelic

Cultural Roots

Irish French German English

Quick Stats

Popularity Rank
#4,586
Total SSA Count
22
Syllables
3
Formality
Moderate
Nicknames
Kil, Killy, Ian

Playground Safety Score

✓ All Clear
Full profile for Kilyan →

Popularity Comparison

Halley Rank #2,721
Kilyan Rank #4,586

Halley is more popular, ranked #2721 vs #4586 for Kilyan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Halley ___

  • Halley Grace
  • Halley Rose
  • Halley Ann
  • Halley Kate
  • Halley Jane
  • Halley Mae

Kilyan ___

  • Kilyan James
  • Kilyan Patrick
  • Kilyan Flynn
  • Kilyan Beau
  • Kilyan Cole
  • Kilyan Sean

Sibling Name Ideas

Names that pair well as siblings.

If you choose Halley

Finn Ivy Emmett Wren Cole

If you choose Kilyan

Cillian Declan Riordan Finola Saoirse

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 Halley or Kilyan more popular?

Halley is more popular, ranked #2721 compared to Kilyan at #4586 in the United States.

What do Halley and Kilyan mean?

Halley means "holy (folk association)" (Old English origin). Kilyan means "church, monastic cell" (Irish Gaelic origin).

Are Halley and Kilyan boy or girl names?

Halley is primarily a girl name. Kilyan is primarily a boy name.

More Comparisons

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← Full profile: Halley ← Full profile: Kilyan Browse all baby names