Cassius vs Liam

Baby Name Comparison — 2026

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

Cassius Rank #568
Liam Rank #1

Liam is more popular, ranked #1 vs #568 for Cassius.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cassius ___

  • Cassius James
  • Cassius Marcus
  • Cassius Cole
  • Cassius Reid
  • Cassius Blake
  • Cassius Grant

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 Cassius

Octavia Maximus Leonora Atticus Valentina

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 Cassius or Liam more popular?

Liam is more popular, ranked #1 compared to Cassius at #568 in the United States.

What do Cassius and Liam mean?

Cassius means "hollow, empty" (Latin origin). Liam means "strong-willed warrior" (Irish origin).

Are Cassius and Liam boy or girl names?

Cassius is primarily a boy name. Liam is primarily a boy name.

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