Olivia vs Rheya

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 →

Rheya

Girl #3,792 Most Popular 2 Syllables

Meaning

"flowing, ease"

Origin: Pre-Greek / Greek

Cultural Roots

Greek American English

Quick Stats

Popularity Rank
#3,792
Total SSA Count
40
Syllables
2
Formality
Moderate
Nicknames
Rhey, Ree

Playground Safety Score

✓ All Clear
Full profile for Rheya →

Popularity Comparison

Olivia Rank #1
Rheya Rank #3,792

Olivia is more popular, ranked #1 vs #3792 for Rheya.

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

Rheya ___

  • Rheya Jane
  • Rheya Grace
  • Rheya Pearl
  • Rheya Elise
  • Rheya Violet
  • Rheya Celeste

Sibling Name Ideas

Names that pair well as siblings.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

If you choose Rheya

Thea Zara Clio Atlas Orion

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 Rheya more popular?

Olivia is more popular, ranked #1 compared to Rheya at #3792 in the United States.

What do Olivia and Rheya mean?

Olivia means "olive tree" (Latin origin). Rheya means "flowing, ease" (Pre-Greek / Greek origin).

Are Olivia and Rheya boy or girl names?

Olivia is primarily a girl name. Rheya is primarily a girl name.

More Comparisons

Rheya vs Olivia Olivia vs Adeline Olivia vs Arya Olivia vs Reese Olivia vs Ivy
← Full profile: Olivia ← Full profile: Rheya Browse all baby names