Olivia vs Thiago

Baby Name Comparison — 2026

Olivia

Girl #1 Most Popular 4 Syllables

Meaning

"olive tree"

Origin: Latin

Cultural Roots

English Italian American

Quick Stats

Popularity Rank
#1
Total SSA Count
14,718
Syllables
4
Formality
Moderate
Nicknames
Liv, Livvy, Oli

Playground Safety Score

✓ All Clear
Full profile for Olivia →

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

Olivia Rank #1
Thiago Rank #55

Olivia is more popular, ranked #1 vs #55 for Thiago.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Olivia ___

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

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 Olivia

Liam Noah Charlotte Emma Sophia

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 Olivia or Thiago more popular?

Olivia is more popular, ranked #1 compared to Thiago at #55 in the United States.

What do Olivia and Thiago mean?

Olivia means "olive tree" (Latin origin). Thiago means "supplanter" (Hebrew origin).

Are Olivia and Thiago boy or girl names?

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

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