Casmir vs Olivia

Baby Name Comparison — 2026

Popularity Comparison

Casmir Rank #11,018
Olivia Rank #1

Olivia is more popular, ranked #1 vs #11018 for Casmir.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Casmir ___

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 Casmir

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 Casmir or Olivia more popular?

Olivia is more popular, ranked #1 compared to Casmir at #11018 in the United States.

What do Casmir and Olivia mean?

Olivia means "olive tree" (Latin origin).

Are Casmir and Olivia boy or girl names?

Casmir is primarily a boy name. Olivia is primarily a girl name.

More Comparisons

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