Kasia vs Olivia

Baby Name Comparison — 2026

Kasia

Girl #5,774 Most Popular 2 Syllables

Meaning

"pure"

Origin: Greek (katharos)

Cultural Roots

Polish Eastern European Czech Slovak

Quick Stats

Popularity Rank
#5,774
Total SSA Count
22
Syllables
2
Formality
Moderate
Nicknames
Kas, Kasi

Playground Safety Score

✓ All Clear
Full profile for Kasia →

Popularity Comparison

Kasia Rank #5,774
Olivia Rank #1

Olivia is more popular, ranked #1 vs #5774 for Kasia.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kasia ___

  • Kasia Marie
  • Kasia Rose
  • Kasia Irene
  • Kasia Janina
  • Kasia Zofia
  • Kasia Anna

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 Kasia

Zosia Marta Ania Piotr Marek

If you choose Olivia

Liam Noah Charlotte Emma Sophia

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 Kasia or Olivia more popular?

Olivia is more popular, ranked #1 compared to Kasia at #5774 in the United States.

What do Kasia and Olivia mean?

Kasia means "pure" (Greek (katharos) origin). Olivia means "olive tree" (Latin origin).

Are Kasia and Olivia boy or girl names?

Kasia is primarily a girl name. Olivia is primarily a girl name.

More Comparisons

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