Liam vs Petros

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 →

Petros

Boy #5,890 Most Popular 2 Syllables

Meaning

"rock, stone"

Origin: Greek

Cultural Roots

Greek Cypriot Eastern Orthodox Armenian

Quick Stats

Popularity Rank
#5,890
Total SSA Count
16
Syllables
2
Formality
Formal
Nicknames
Pete, Petro

Playground Safety Score

✓ All Clear
Full profile for Petros →

Popularity Comparison

Liam Rank #1
Petros Rank #5,890

Liam is more popular, ranked #1 vs #5890 for Petros.

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

Petros ___

  • Petros Alexandros
  • Petros Dimitris
  • Petros Nikos
  • Petros Emmanuel
  • Petros Andreas
  • Petros Vasilis

Sibling Name Ideas

Names that pair well as siblings.

If you choose Liam

Olivia Emma Noah Charlotte Sophia

If you choose Petros

Nikos Alexandros Eleni Maria Dimitris

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 Petros more popular?

Liam is more popular, ranked #1 compared to Petros at #5890 in the United States.

What do Liam and Petros mean?

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

Are Liam and Petros boy or girl names?

Liam is primarily a boy name. Petros is primarily a boy name.

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