Caius vs Liam

Baby Name Comparison — 2026

Caius

Boy #1,063 Most Popular 2 Syllables

Meaning

"to rejoice, joyful"

Origin: Latin

Cultural Roots

Roman British European American

Quick Stats

Popularity Rank
#1,063
Total SSA Count
205
Syllables
2
Formality
Formal
Nicknames
Cai, Kai

Playground Safety Score

✓ All Clear
Full profile for Caius →

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

Caius Rank #1,063
Liam Rank #1

Liam is more popular, ranked #1 vs #1063 for Caius.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Caius ___

  • Caius James
  • Caius John
  • Caius Edward
  • Caius William
  • Caius Alexander
  • Caius Thomas

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 Caius

Livia Augustus Felix Octavia Marcus

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 Caius or Liam more popular?

Liam is more popular, ranked #1 compared to Caius at #1063 in the United States.

What do Caius and Liam mean?

Caius means "to rejoice, joyful" (Latin origin). Liam means "strong-willed warrior" (Irish origin).

Are Caius and Liam boy or girl names?

Caius is primarily a boy name. Liam is primarily a boy name.

More Comparisons

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