Katelyn vs Tilly

Baby Name Comparison — 2026

Tilly

Girl #952 Most Popular 2 Syllables

Meaning

"strength in battle"

Origin: Germanic

Cultural Roots

English German Australian Irish

Quick Stats

Popularity Rank
#952
Total SSA Count
273
Syllables
2
Formality
Casual
Nicknames
Til, Tillie

Playground Safety Score

✓ All Clear
Full profile for Tilly →

Popularity Comparison

Katelyn Rank #934
Tilly Rank #952

Katelyn is more popular, ranked #934 vs #952 for Tilly.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Katelyn ___

  • Katelyn Marie
  • Katelyn Anne
  • Katelyn Grace
  • Katelyn Rose
  • Katelyn Elizabeth
  • Katelyn Nicole

Tilly ___

  • Tilly Rose
  • Tilly Mae
  • Tilly Jane
  • Tilly Grace
  • Tilly Anne
  • Tilly Blythe

Sibling Name Ideas

Names that pair well as siblings.

If you choose Katelyn

Brittany Ashley Emily Tyler Ryan

If you choose Tilly

Mabel Elsie Bertie Archie Hazel

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 Katelyn or Tilly more popular?

Katelyn is more popular, ranked #934 compared to Tilly at #952 in the United States.

What do Katelyn and Tilly mean?

Katelyn means "pure" (Greek origin). Tilly means "strength in battle" (Germanic origin).

Are Katelyn and Tilly boy or girl names?

Katelyn is primarily a girl name. Tilly is primarily a girl name.

More Comparisons

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← Full profile: Katelyn ← Full profile: Tilly Browse all baby names