Olivia vs Rey

Baby Name Comparison — 2026

Rey

Boy #823 Most Popular 1 Syllable

Meaning

"king"

Origin: Spanish

Cultural Roots

Spanish Latin American American

Quick Stats

Popularity Rank
#823
Total SSA Count
303
Syllables
1
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Rey →

Popularity Comparison

Olivia Rank #1
Rey Rank #823

Olivia is more popular, ranked #1 vs #823 for Rey.

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

Rey ___

  • Rey Alexander
  • Rey Miguel
  • Rey Antonio
  • Rey James
  • Rey Cruz
  • Rey Luis

Sibling Name Ideas

Names that pair well as siblings.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

If you choose Rey

Luna Sol Diego Valentina Marco

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 Rey more popular?

Olivia is more popular, ranked #1 compared to Rey at #823 in the United States.

What do Olivia and Rey mean?

Olivia means "olive tree" (Latin origin). Rey means "king" (Spanish origin).

Are Olivia and Rey boy or girl names?

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

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