Dillion vs Oliver

Baby Name Comparison — 2026

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

Dillion Rank #5,680
Oliver Rank #3

Oliver is more popular, ranked #3 vs #5680 for Dillion.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Dillion ___

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

Oliver ___

  • Oliver James
  • Oliver Thomas
  • Oliver William
  • Oliver Henry
  • Oliver John
  • Oliver Benjamin

Sibling Name Ideas

Names that pair well as siblings.

If you choose Dillion

Finn Declan Connor Siobhan Maeve

If you choose Oliver

Olivia Charlotte Emma Sophia Amelia

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 Dillion or Oliver more popular?

Oliver is more popular, ranked #3 compared to Dillion at #5680 in the United States.

What do Dillion and Oliver mean?

Dillion means "faithful, loyal" (Old Irish Dallán origin). Oliver means "olive tree" (Latin origin).

Are Dillion and Oliver boy or girl names?

Dillion is primarily a boy name. Oliver is primarily a boy name.

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