Olivia vs Sionna

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

Esther Camila Samantha Amaya

Full profile for Olivia →

Sionna

Girl #20,802 Most Popular

Quick Stats

Popularity Rank: #20,802
Total SSA Count: 7
Nicknames: Sio, Sion, Siony

Playground Safety Score

✓ All Clear

Similar Names

Draven Irielle Arriona

Full profile for Sionna →

Popularity Comparison

Olivia Rank #1

Sionna Rank #20,802

Olivia is more popular, ranked #1 vs #20802 for Sionna.

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

Sionna ___

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 Sionna

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 Sionna more popular?

Olivia is more popular, ranked #1 compared to Sionna at #20802 in the United States.

What do Olivia and Sionna mean?

Olivia means "olive tree" (Latin origin).

Are Olivia and Sionna boy or girl names?

Olivia is primarily a girl name. Sionna is primarily a girl name.

More Comparisons

Sionna vs Olivia Olivia vs Esther Olivia vs Camila Olivia vs Samantha Olivia vs Amaya

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