Isaac vs Thiago

Baby Name Comparison — 2026

Isaac

Boy #40 Most Popular 3 Syllables

Meaning

"He will laugh; laughter"

Origin: Hebrew

Cultural Roots

English Jewish Spanish French

Quick Stats

Popularity Rank
#40
Total SSA Count
6,498
Syllables
3
Formality
Moderate
Nicknames
Ike, Izzy, Zac

Playground Safety Score

✓ All Clear
Full profile for Isaac →

Thiago

Boy #55 Most Popular 3 Syllables

Meaning

"supplanter"

Origin: Hebrew

Cultural Roots

Brazilian Portuguese Spanish Latin American

Quick Stats

Popularity Rank
#55
Total SSA Count
5,289
Syllables
3
Formality
Moderate
Nicknames
Tiago, Iago

Playground Safety Score

✓ All Clear
Full profile for Thiago →

Popularity Comparison

Isaac Rank #40
Thiago Rank #55

Isaac is more popular, ranked #40 vs #55 for Thiago.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Isaac ___

  • Isaac James
  • Isaac Alexander
  • Isaac John
  • Isaac Thomas
  • Isaac Oliver
  • Isaac William

Thiago ___

  • Thiago Antonio
  • Thiago Eduardo
  • Thiago Luis
  • Thiago Carlos
  • Thiago Miguel
  • Thiago Fernando

Sibling Name Ideas

Names that pair well as siblings.

If you choose Isaac

Elijah Noah Jonah Miriam Hannah

If you choose Thiago

Valentina Sofia Lucas Gabriel Isabella

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 Isaac or Thiago more popular?

Isaac is more popular, ranked #40 compared to Thiago at #55 in the United States.

What do Isaac and Thiago mean?

Isaac means "He will laugh; laughter" (Hebrew origin). Thiago means "supplanter" (Hebrew origin).

Are Isaac and Thiago boy or girl names?

Isaac is primarily a boy name. Thiago is primarily a boy name.

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← Full profile: Isaac ← Full profile: Thiago Browse all baby names