Katy vs Lizzie

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 →

Lizzie

Girl #2,322 Most Popular 2 Syllables

Meaning

"pledged to God, my God is an oath"

Origin: Hebrew

Cultural Roots

English American Irish Scottish

Quick Stats

Popularity Rank
#2,322
Total SSA Count
79
Syllables
2
Formality
Casual
Nicknames
Liz

Playground Safety Score

✓ All Clear
Full profile for Lizzie →

Popularity Comparison

Katy Rank #2,460
Lizzie Rank #2,322

Lizzie is more popular, ranked #2322 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

Lizzie ___

  • Lizzie Jane
  • Lizzie Rose
  • Lizzie Mae
  • Lizzie Grace
  • Lizzie Kate
  • Lizzie Claire

Sibling Name Ideas

Names that pair well as siblings.

If you choose Katy

Tommy Billy Molly Lilly Danny

If you choose Lizzie

Ellie Molly Maggie Charlie Archie

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 Lizzie more popular?

Lizzie is more popular, ranked #2322 compared to Katy at #2460 in the United States.

What do Katy and Lizzie mean?

Katy means "each of the two" (Greek origin). Lizzie means "pledged to God, my God is an oath" (Hebrew origin).

Are Katy and Lizzie boy or girl names?

Katy is primarily a girl name. Lizzie is primarily a girl name.

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