Olivia vs Sianah

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

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Similar Names

Ivy Camila Charlotte Cora

Full profile for Olivia →

Sianah

Girl #26,508 Most Popular

Quick Stats

Popularity Rank: #26,508
Total SSA Count: 6
Nicknames: Sia, Sian, Siany

Playground Safety Score

✓ All Clear

Similar Names

Haslyn Addlie Havisha Blakesley

Full profile for Sianah →

Popularity Comparison

Olivia Rank #1

Sianah Rank #26,508

Olivia is more popular, ranked #1 vs #26508 for Sianah.

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

Sianah ___

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 Sianah

No sibling data available yet.

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Olivia or Sianah more popular?

Olivia is more popular, ranked #1 compared to Sianah at #26508 in the United States.

What do Olivia and Sianah mean?

Olivia means "olive tree" (Latin origin).

Are Olivia and Sianah boy or girl names?

Olivia is primarily a girl name. Sianah is primarily a girl name.

More Comparisons

Sianah vs Olivia Olivia vs Ivy Olivia vs Camila Olivia vs Charlotte Olivia vs Cora

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