Kieran vs Kylan

Baby Name Comparison — 2026

Kieran

Boy #441 Most Popular 2 Syllables

Meaning

"little dark one"

Origin: Irish Gaelic (ciar + -án)

Cultural Roots

Irish Scottish English

Quick Stats

Popularity Rank
#441
Total SSA Count
713
Syllables
2
Formality
Moderate
Nicknames
Kier

Playground Safety Score

✓ All Clear
Full profile for Kieran →

Kylan

Boy #533 Most Popular 2 Syllables

Meaning

"narrow strait"

Origin: Scottish Gaelic

Cultural Roots

American Irish English

Quick Stats

Popularity Rank
#533
Total SSA Count
558
Syllables
2
Formality
Moderate
Nicknames
Ky

Playground Safety Score

✓ All Clear
Full profile for Kylan →

Popularity Comparison

Kieran Rank #441
Kylan Rank #533

Kieran is more popular, ranked #441 vs #533 for Kylan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kieran ___

  • Kieran James
  • Kieran Patrick
  • Kieran Michael
  • Kieran Thomas
  • Kieran Francis
  • Kieran Joseph

Kylan ___

  • Kylan James
  • Kylan Lee
  • Kylan Blake
  • Kylan Reed
  • Kylan Cole
  • Kylan Patrick

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kieran

Declan Ronan Siobhan Niamh Cormac

If you choose Kylan

Kaylee Dylan Brennan Piper Rowan

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 Kieran or Kylan more popular?

Kieran is more popular, ranked #441 compared to Kylan at #533 in the United States.

What do Kieran and Kylan mean?

Kieran means "little dark one" (Irish Gaelic (ciar + -án) origin). Kylan means "narrow strait" (Scottish Gaelic origin).

Are Kieran and Kylan boy or girl names?

Kieran is primarily a boy name. Kylan is primarily a boy name.

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← Full profile: Kieran ← Full profile: Kylan Browse all baby names