Dax vs Dennis

Baby Name Comparison — 2026

Dax

Boy #640 Most Popular 1 Syllable

Meaning

"water, thermal waters (place name)"

Origin: French/Basque

Cultural Roots

English American French

Quick Stats

Popularity Rank
#640
Total SSA Count
438
Syllables
1
Formality
Casual

Playground Safety Score

All Clear

Dennis

Boy #708 Most Popular 2 Syllables

Meaning

"follower of Dionysus"

Origin: Greek

Cultural Roots

English French German Irish

Quick Stats

Popularity Rank
#708
Total SSA Count
376
Syllables
2
Formality
Moderate
Nicknames
Denny, Den

Playground Safety Score

All Clear

Popularity Comparison

Dax Rank #640
Dennis Rank #708

Dax is more popular, ranked #640 vs #708 for Dennis.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Dax ___

  • Dax James
  • Dax Cole
  • Dax Lee
  • Dax Michael
  • Dax River
  • Dax Stone

Dennis ___

  • Dennis James
  • Dennis Michael
  • Dennis Paul
  • Dennis Lee
  • Dennis Ray
  • Dennis Alan

Sibling Name Ideas

Names that pair well as siblings.

If you choose Dax

Jax Zoe Knox Mila Cash

If you choose Dennis

Kevin Patrick Karen Sharon Gary

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 Dax or Dennis more popular?

Dax is more popular, ranked #640 compared to Dennis at #708 in the United States.

What do Dax and Dennis mean?

Dax means "water, thermal waters (place name)" (French/Basque origin). Dennis means "follower of Dionysus" (Greek origin).

Are Dax and Dennis boy or girl names?

Dax is primarily a boy name. Dennis is primarily a boy name.

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