Dillon vs Kellan

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
Full profile for Dillon →

Kellan

Boy #919 Most Popular 2 Syllables

Meaning

"slender, bright-headed"

Origin: Irish Gaelic

Cultural Roots

Irish Scottish American

Quick Stats

Popularity Rank
#919
Total SSA Count
252
Syllables
2
Formality
Moderate
Nicknames
Kel, Kell

Playground Safety Score

✓ All Clear
Full profile for Kellan →

Popularity Comparison

Dillon Rank #870
Kellan Rank #919

Dillon is more popular, ranked #870 vs #919 for Kellan.

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

Kellan ___

  • Kellan James
  • Kellan Patrick
  • Kellan Connor
  • Kellan Reid
  • Kellan Pierce
  • Kellan Flynn

Sibling Name Ideas

Names that pair well as siblings.

If you choose Dillon

Connor Liam Shannon Erin Brady

If you choose Kellan

Declan Ronan Finn Sienna Aoife

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 Kellan more popular?

Dillon is more popular, ranked #870 compared to Kellan at #919 in the United States.

What do Dillon and Kellan mean?

Dillon means "great tide, son of the sea" (Welsh origin). Kellan means "slender, bright-headed" (Irish Gaelic origin).

Are Dillon and Kellan boy or girl names?

Dillon is primarily a boy name. Kellan is primarily a boy name.

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← Full profile: Dillon ← Full profile: Kellan Browse all baby names