Olivia vs Sienne

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

Similar Names

Willow Peyton Elena Annie

Full profile for Olivia →

Sienne

Girl #30,331 Most Popular

Quick Stats

Popularity Rank: #30,331
Total SSA Count: 6
Nicknames: Sie, Sien, Sieny

Playground Safety Score

✓ All Clear

Similar Names

Marshaya Maysun Maggee Aleccia

Full profile for Sienne →

Popularity Comparison

Olivia Rank #1

Sienne Rank #30,331

Olivia is more popular, ranked #1 vs #30331 for Sienne.

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

Sienne ___

No pairings available yet.

Sibling Name Ideas

Names that pair well as siblings.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

If you choose Sienne

No sibling data available yet.

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 Sienne more popular?

Olivia is more popular, ranked #1 compared to Sienne at #30331 in the United States.

What do Olivia and Sienne mean?

Olivia means "olive tree" (Latin origin).

Are Olivia and Sienne boy or girl names?

Olivia is primarily a girl name. Sienne is primarily a girl name.

More Comparisons

Sienne vs Olivia Olivia vs Willow Olivia vs Peyton Olivia vs Elena Olivia vs Annie

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