Olivia vs Rees

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 →

Popularity Comparison

Olivia Rank #1
Rees Rank #6,353

Olivia is more popular, ranked #1 vs #6353 for Rees.

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

Rees ___

  • Rees James
  • Rees Thomas
  • Rees William
  • Rees Owen
  • Rees Arthur
  • Rees Morgan

Sibling Name Ideas

Names that pair well as siblings.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

If you choose Rees

Griffith Owen Emrys Seren Bronwen

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 Rees more popular?

Olivia is more popular, ranked #1 compared to Rees at #6353 in the United States.

What do Olivia and Rees mean?

Olivia means "olive tree" (Latin origin). Rees means "enthusiasm, ardor, passion" (Old Welsh origin).

Are Olivia and Rees boy or girl names?

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

More Comparisons

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