Katlyn vs Liam

Baby Name Comparison — 2026

Katlyn

Girl #5,604 Most Popular 2 Syllables

Meaning

"pure"

Origin: Greek via Irish

Cultural Roots

Irish American English

Quick Stats

Popularity Rank
#5,604
Total SSA Count
23
Syllables
2
Formality
Moderate
Nicknames
Kat, Katie, Kate

Playground Safety Score

✓ All Clear
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Liam

Boy #1 Most Popular 2 Syllables

Meaning

"strong-willed warrior"

Origin: Irish

Cultural Roots

Irish English American

Quick Stats

Popularity Rank
#1
Total SSA Count
22,164
Syllables
2
Formality
Moderate
Nicknames
Lee

Playground Safety Score

✓ All Clear
Full profile for Liam →

Popularity Comparison

Katlyn Rank #5,604
Liam Rank #1

Liam is more popular, ranked #1 vs #5604 for Katlyn.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Katlyn ___

  • Katlyn Rose
  • Katlyn Marie
  • Katlyn Grace
  • Katlyn Ann
  • Katlyn Elizabeth

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 Katlyn

Megan Brianna Connor Ryan Erin

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 Katlyn or Liam more popular?

Liam is more popular, ranked #1 compared to Katlyn at #5604 in the United States.

What do Katlyn and Liam mean?

Katlyn means "pure" (Greek via Irish origin). Liam means "strong-willed warrior" (Irish origin).

Are Katlyn and Liam boy or girl names?

Katlyn is primarily a girl name. Liam is primarily a boy name.

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