Dillon vs Olivia

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 →

Popularity Comparison

Dillon Rank #870
Olivia Rank #1

Olivia 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

Olivia ___

  • Olivia Rose
  • Olivia Grace
  • Olivia Jane
  • Olivia Mae
  • Olivia Claire
  • Olivia Jade

Sibling Name Ideas

Names that pair well as siblings.

If you choose Dillon

Connor Liam Shannon Erin Brady

If you choose Olivia

Liam Noah Charlotte Emma 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 Olivia more popular?

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

What do Dillon and Olivia mean?

Dillon means "great tide, son of the sea" (Welsh origin). Olivia means "olive tree" (Latin origin).

Are Dillon and Olivia boy or girl names?

Dillon is primarily a boy name. Olivia is primarily a girl name.

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