Katy vs Olivia

Baby Name Comparison — 2026

Katy

Girl #2,460 Most Popular 2 Syllables

Meaning

"each of the two"

Origin: Greek

Cultural Roots

English American Irish

Quick Stats

Popularity Rank
#2,460
Total SSA Count
73
Syllables
2
Formality
Casual
Nicknames
Kat, Kay

Playground Safety Score

✓ All Clear
Full profile for Katy →

Popularity Comparison

Katy Rank #2,460
Olivia Rank #1

Olivia is more popular, ranked #1 vs #2460 for Katy.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Katy ___

  • Katy Mae
  • Katy Grace
  • Katy Ann
  • Katy Lynn
  • Katy Rose
  • Katy Jo

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 Katy

Tommy Billy Molly Lilly Danny

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 Katy or Olivia more popular?

Olivia is more popular, ranked #1 compared to Katy at #2460 in the United States.

What do Katy and Olivia mean?

Katy means "each of the two" (Greek origin). Olivia means "olive tree" (Latin origin).

Are Katy and Olivia boy or girl names?

Katy is primarily a girl name. Olivia is primarily a girl name.

More Comparisons

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