Dalen vs Dillion

Baby Name Comparison — 2026

Dalen

Boy #5,626 Most Popular 2 Syllables

Meaning

"valley, dale"

Origin: Old English/Old Norse

Cultural Roots

American Scandinavian English

Quick Stats

Popularity Rank
#5,626
Total SSA Count
17
Syllables
2
Formality
Moderate
Nicknames
Dale

Playground Safety Score

✓ All Clear
Full profile for Dalen →

Dillion

Boy #5,680 Most Popular 3 Syllables

Meaning

"faithful, loyal"

Origin: Old Irish Dallán

Cultural Roots

Irish Welsh American English

Quick Stats

Popularity Rank
#5,680
Total SSA Count
17
Syllables
3
Formality
Moderate
Nicknames
Dil, Dilly

Playground Safety Score

✓ All Clear
Full profile for Dillion →

Popularity Comparison

Dalen Rank #5,626
Dillion Rank #5,680

Dalen is more popular, ranked #5626 vs #5680 for Dillion.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Dalen ___

  • Dalen James
  • Dalen Thomas
  • Dalen Michael
  • Dalen Lee
  • Dalen Scott
  • Dalen Wayne

Dillion ___

  • Dillion James
  • Dillion Patrick
  • Dillion Michael
  • Dillion Thomas
  • Dillion Robert
  • Dillion Connor

Sibling Name Ideas

Names that pair well as siblings.

If you choose Dalen

Logan Blake Grayson Jordan Paige

If you choose Dillion

Finn Declan Connor Siobhan Maeve

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Dalen or Dillion more popular?

Dalen is more popular, ranked #5626 compared to Dillion at #5680 in the United States.

What do Dalen and Dillion mean?

Dalen means "valley, dale" (Old English/Old Norse origin). Dillion means "faithful, loyal" (Old Irish Dallán origin).

Are Dalen and Dillion boy or girl names?

Dalen is primarily a boy name. Dillion is primarily a boy name.

More Comparisons

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← Full profile: Dalen ← Full profile: Dillion Browse all baby names