Dillon vs Mia

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

Mia

Girl #5 Most Popular 2 Syllables

Meaning

"mine, beloved"

Origin: Scandinavian

Cultural Roots

Italian Scandinavian Spanish

Quick Stats

Popularity Rank
#5
Total SSA Count
12,113
Syllables
2
Formality
Casual

Playground Safety Score

All Clear

Popularity Comparison

Dillon Rank #870
Mia Rank #5

Mia is more popular, ranked #5 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

Mia ___

  • Mia Rose
  • Mia Grace
  • Mia Jane
  • Mia Claire
  • Mia Elizabeth
  • Mia Louise

Sibling Name Ideas

Names that pair well as siblings.

If you choose Dillon

Connor Liam Shannon Erin Brady

If you choose Mia

Liam Noah Sophia Olivia Ava

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 Mia more popular?

Mia is more popular, ranked #5 compared to Dillon at #870 in the United States.

What do Dillon and Mia mean?

Dillon means "great tide, son of the sea" (Welsh origin). Mia means "mine, beloved" (Scandinavian origin).

Are Dillon and Mia boy or girl names?

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

More Comparisons