Liam vs Zack

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
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Zack

Boy #1,388 Most Popular 1 Syllable

Meaning

"God has remembered"

Origin: Hebrew

Cultural Roots

English American Hebrew

Quick Stats

Popularity Rank
#1,388
Total SSA Count
135
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Zack →

Popularity Comparison

Liam Rank #1
Zack Rank #1,388

Liam is more popular, ranked #1 vs #1388 for Zack.

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

Zack ___

  • Zack Thomas
  • Zack Ryan
  • Zack James
  • Zack Cole
  • Zack William
  • Zack Michael

Sibling Name Ideas

Names that pair well as siblings.

If you choose Liam

Olivia Emma Noah Charlotte Sophia

If you choose Zack

Jake Luke Emma Lily Mia

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 Zack more popular?

Liam is more popular, ranked #1 compared to Zack at #1388 in the United States.

What do Liam and Zack mean?

Liam means "strong-willed warrior" (Irish origin). Zack means "God has remembered" (Hebrew origin).

Are Liam and Zack boy or girl names?

Liam is primarily a boy name. Zack is primarily a boy name.

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