Kieran vs Liam

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 →

Popularity Comparison

Kieran Rank #441
Liam Rank #1

Liam is more popular, ranked #1 vs #441 for Kieran.

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

Liam ___

  • Liam James
  • Liam Alexander
  • Liam Thomas
  • Liam Michael
  • Liam Patrick
  • Liam Joseph

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kieran

Declan Ronan Siobhan Niamh Cormac

If you choose Liam

Olivia Emma Noah Charlotte Sophia

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 Liam more popular?

Liam is more popular, ranked #1 compared to Kieran at #441 in the United States.

What do Kieran and Liam mean?

Kieran means "little dark one" (Irish Gaelic (ciar + -án) origin). Liam means "strong-willed warrior" (Irish origin).

Are Kieran and Liam boy or girl names?

Kieran is primarily a boy name. Liam is primarily a boy name.

More Comparisons

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