Olivia vs Sidonia

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

Savannah Luna Abigail Adaline

Full profile for Olivia →

Sidonia

Girl #71,226 Most Popular

Quick Stats

Popularity Rank: #71,226
Total SSA Count: 5
Nicknames: Sid, Sido, Sidoy

Playground Safety Score

✓ All Clear

Similar Names

Alvira Teruyo Carroll Litha

Full profile for Sidonia →

Popularity Comparison

Olivia Rank #1

Sidonia Rank #71,226

Olivia is more popular, ranked #1 vs #71226 for Sidonia.

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

Sidonia ___

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 Sidonia

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 Sidonia more popular?

Olivia is more popular, ranked #1 compared to Sidonia at #71226 in the United States.

What do Olivia and Sidonia mean?

Olivia means "olive tree" (Latin origin).

Are Olivia and Sidonia boy or girl names?

Olivia is primarily a girl name. Sidonia is primarily a girl name.

More Comparisons

Sidonia vs Olivia Olivia vs Savannah Olivia vs Luna Olivia vs Abigail Olivia vs Adaline

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