Dio vs Gaius

Baby Name Comparison — 2026

Dio

Boy #3,613 Most Popular 2 Syllables

Meaning

"God, divine"

Origin: Italian/Latin

Cultural Roots

Italian Greek Romanian Brazilian American

Quick Stats

Popularity Rank
#3,613
Total SSA Count
31
Syllables
2
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Dio →

Gaius

Boy #3,655 Most Popular 2 Syllables

Meaning

"to rejoice, happy, glad"

Origin: Latin

Cultural Roots

Roman Latin English American

Quick Stats

Popularity Rank
#3,655
Total SSA Count
31
Syllables
2
Formality
Formal
Nicknames
Gai, Guy

Playground Safety Score

✓ All Clear
Full profile for Gaius →

Popularity Comparison

Dio Rank #3,613
Gaius Rank #3,655

Dio is more popular, ranked #3613 vs #3655 for Gaius.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Dio ___

  • Dio Matteo
  • Dio Luca
  • Dio Marco
  • Dio James
  • Dio Giovanni
  • Dio Enzo

Gaius ___

  • Gaius Marcus
  • Gaius Julius
  • Gaius Alexander
  • Gaius Felix
  • Gaius James
  • Gaius William

Sibling Name Ideas

Names that pair well as siblings.

If you choose Dio

Enzo Leo Nico Aria Sofia

If you choose Gaius

Julius Octavia Livia Marcus Caspian

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 Dio or Gaius more popular?

Dio is more popular, ranked #3613 compared to Gaius at #3655 in the United States.

What do Dio and Gaius mean?

Dio means "God, divine" (Italian/Latin origin). Gaius means "to rejoice, happy, glad" (Latin origin).

Are Dio and Gaius boy or girl names?

Dio is primarily a boy name. Gaius is primarily a boy name.

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← Full profile: Dio ← Full profile: Gaius Browse all baby names