Liam vs Zac

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 →

Zac

Boy #3,385 Most Popular 1 Syllable

Meaning

"remembered by Yahweh"

Origin: Hebrew

Cultural Roots

English Hebrew American

Quick Stats

Popularity Rank
#3,385
Total SSA Count
35
Syllables
1
Formality
Casual
Nicknames
Zacky

Playground Safety Score

✓ All Clear
Full profile for Zac →

Popularity Comparison

Liam Rank #1
Zac Rank #3,385

Liam is more popular, ranked #1 vs #3385 for Zac.

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

Zac ___

  • Zac James
  • Zac Michael
  • Zac Thomas
  • Zac Oliver
  • Zac Henry

Sibling Name Ideas

Names that pair well as siblings.

If you choose Liam

Olivia Emma Noah Charlotte Sophia

If you choose Zac

Jake Max Lily Emma Noah

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 Zac more popular?

Liam is more popular, ranked #1 compared to Zac at #3385 in the United States.

What do Liam and Zac mean?

Liam means "strong-willed warrior" (Irish origin). Zac means "remembered by Yahweh" (Hebrew origin).

Are Liam and Zac boy or girl names?

Liam is primarily a boy name. Zac is primarily a boy name.

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