Dillan vs Liam

Baby Name Comparison — 2026

Dillan

Boy #2,887 Most Popular 2 Syllables

Meaning

"great tide, sea flow"

Origin: Welsh

Cultural Roots

Welsh English Irish American

Quick Stats

Popularity Rank
#2,887
Total SSA Count
44
Syllables
2
Formality
Moderate
Nicknames
Dill

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

Dillan Rank #2,887
Liam Rank #1

Liam is more popular, ranked #1 vs #2887 for Dillan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Dillan ___

  • Dillan James
  • Dillan Lee
  • Dillan Thomas
  • Dillan Michael
  • Dillan Owen
  • Dillan Rhys

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 Dillan

Brennan Kieran Declan Sienna Bryn

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 Dillan or Liam more popular?

Liam is more popular, ranked #1 compared to Dillan at #2887 in the United States.

What do Dillan and Liam mean?

Dillan means "great tide, sea flow" (Welsh origin). Liam means "strong-willed warrior" (Irish origin).

Are Dillan and Liam boy or girl names?

Dillan is primarily a boy name. Liam is primarily a boy name.

More Comparisons

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