Liam vs Sion

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 →

Popularity Comparison

Liam Rank #1
Sion Rank #3,680

Liam is more popular, ranked #1 vs #3680 for Sion.

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

Sion ___

  • Sion Rhys
  • Sion Emrys
  • Sion Wyn
  • Sion Morgan
  • Sion Gareth
  • Sion Huw

Sibling Name Ideas

Names that pair well as siblings.

If you choose Liam

Olivia Emma Noah Charlotte Sophia

If you choose Sion

Rhys Emrys Gwenllian Seren Aled

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 Sion more popular?

Liam is more popular, ranked #1 compared to Sion at #3680 in the United States.

What do Liam and Sion mean?

Liam means "strong-willed warrior" (Irish origin). Sion means "God is gracious" (Hebrew via Latin origin).

Are Liam and Sion boy or girl names?

Liam is primarily a boy name. Sion is primarily a boy name.

More Comparisons

Sion vs Liam Liam vs Robert Liam vs Elijah Liam vs Jayce Liam vs Josiah
← Full profile: Liam ← Full profile: Sion Browse all baby names