Kassidy vs Liam

Baby Name Comparison — 2026

Kassidy

Girl #980 Most Popular 3 Syllables

Meaning

"curly-haired, descendant of Caiside"

Origin: Irish Gaelic

Cultural Roots

Irish American English

Quick Stats

Popularity Rank
#980
Total SSA Count
265
Syllables
3
Formality
Casual
Nicknames
Kass, Kassie

Playground Safety Score

✓ All Clear
Full profile for Kassidy →

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

Kassidy Rank #980
Liam Rank #1

Liam is more popular, ranked #1 vs #980 for Kassidy.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kassidy ___

  • Kassidy Grace
  • Kassidy Marie
  • Kassidy Jane
  • Kassidy Lee
  • Kassidy Nicole

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 Kassidy

Harley Brynn Declan Logan Finley

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 Kassidy or Liam more popular?

Liam is more popular, ranked #1 compared to Kassidy at #980 in the United States.

What do Kassidy and Liam mean?

Kassidy means "curly-haired, descendant of Caiside" (Irish Gaelic origin). Liam means "strong-willed warrior" (Irish origin).

Are Kassidy and Liam boy or girl names?

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

More Comparisons

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