Casia vs Olivia

Baby Name Comparison — 2026

Casia

Girl #33,186 Most Popular

Quick Stats

Popularity Rank: #33,186
Total SSA Count: 6
Nicknames: Cas, Cay, Caie

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Similar Names

Falin Corrida Aracelys

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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

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Similar Names

Anastasia Mia Adalynn Valerie

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Popularity Comparison

Casia Rank #33,186

Olivia Rank #1

Olivia is more popular, ranked #1 vs #33186 for Casia.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Casia ___

No pairings available yet.

Olivia ___

Olivia Rose
Olivia Grace
Olivia Jane
Olivia Mae
Olivia Claire
Olivia Jade

Sibling Name Ideas

Names that pair well as siblings.

If you choose Casia

No sibling data available yet.

If you choose Olivia

Liam Noah Charlotte Emma Sophia

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Casia or Olivia more popular?

Olivia is more popular, ranked #1 compared to Casia at #33186 in the United States.

What do Casia and Olivia mean?

Olivia means "olive tree" (Latin origin).

Are Casia and Olivia boy or girl names?

Casia is primarily a girl name. Olivia is primarily a girl name.

More Comparisons

Olivia vs Casia Casia vs Falin Casia vs Corrida Casia vs Aracelys Casia vs Anastasia

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