Katlyn vs Olivia

Baby Name Comparison — 2026

Katlyn

Girl #5,604 Most Popular 2 Syllables

Meaning

"pure"

Origin: Greek via Irish

Cultural Roots

Irish American English

Quick Stats

Popularity Rank
#5,604
Total SSA Count
23
Syllables
2
Formality
Moderate
Nicknames
Kat, Katie, Kate

Playground Safety Score

✓ All Clear
Full profile for Katlyn →

Popularity Comparison

Katlyn Rank #5,604
Olivia Rank #1

Olivia is more popular, ranked #1 vs #5604 for Katlyn.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Katlyn ___

  • Katlyn Rose
  • Katlyn Marie
  • Katlyn Grace
  • Katlyn Ann
  • Katlyn Elizabeth

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 Katlyn

Megan Brianna Connor Ryan Erin

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 Katlyn or Olivia more popular?

Olivia is more popular, ranked #1 compared to Katlyn at #5604 in the United States.

What do Katlyn and Olivia mean?

Katlyn means "pure" (Greek via Irish origin). Olivia means "olive tree" (Latin origin).

Are Katlyn and Olivia boy or girl names?

Katlyn is primarily a girl name. Olivia is primarily a girl name.

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