Dillon vs Liam

Baby Name Comparison — 2026

Dillon

Boy #870 Most Popular 2 Syllables

Meaning

"great tide, son of the sea"

Origin: Welsh

Cultural Roots

Irish Welsh American English

Quick Stats

Popularity Rank
#870
Total SSA Count
276
Syllables
2
Formality
Casual
Nicknames
Dil, Dilly

Playground Safety Score

✓ All Clear
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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

Dillon Rank #870
Liam Rank #1

Liam is more popular, ranked #1 vs #870 for Dillon.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Dillon ___

  • Dillon James
  • Dillon Ray
  • Dillon Cole
  • Dillon Scott
  • Dillon Wayne
  • Dillon Lee

Liam ___

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

Sibling Name Ideas

Names that pair well as siblings.

If you choose Dillon

Connor Liam Shannon Erin Brady

If you choose Liam

Olivia Emma Noah Charlotte Sophia

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 Dillon or Liam more popular?

Liam is more popular, ranked #1 compared to Dillon at #870 in the United States.

What do Dillon and Liam mean?

Dillon means "great tide, son of the sea" (Welsh origin). Liam means "strong-willed warrior" (Irish origin).

Are Dillon and Liam boy or girl names?

Dillon is primarily a boy name. Liam is primarily a boy name.

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