Liam vs Peter

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 →

Peter

Boy #192 Most Popular 2 Syllables

Meaning

"rock, stone"

Origin: Greek

Cultural Roots

English Greek Dutch Scandinavian German

Quick Stats

Popularity Rank
#192
Total SSA Count
1,889
Syllables
2
Formality
Moderate
Nicknames
Pete, Per

Playground Safety Score

12 High Risk

{:type=>:nickname, :severity=>:medium, :message=>"'Peter' can be twisted to 'peter'"}

Full profile for Peter →

Popularity Comparison

Liam Rank #1
Peter Rank #192

Liam is more popular, ranked #1 vs #192 for Peter.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Liam ___

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

Peter ___

  • Peter James
  • Peter Alexander
  • Peter John
  • Peter William
  • Peter Henry
  • Peter Thomas

Sibling Name Ideas

Names that pair well as siblings.

If you choose Liam

Olivia Emma Noah Charlotte Sophia

If you choose Peter

John Mary Thomas Catherine Elizabeth

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 Liam or Peter more popular?

Liam is more popular, ranked #1 compared to Peter at #192 in the United States.

What do Liam and Peter mean?

Liam means "strong-willed warrior" (Irish origin). Peter means "rock, stone" (Greek origin).

Are Liam and Peter boy or girl names?

Liam is primarily a boy name. Peter is primarily a boy name.

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