Kathlyn vs Olivia

Baby Name Comparison — 2026

Popularity Comparison

Kathlyn Rank #2,719
Olivia Rank #1

Olivia is more popular, ranked #1 vs #2719 for Kathlyn.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kathlyn ___

  • Kathlyn Marie
  • Kathlyn Grace
  • Kathlyn Anne
  • Kathlyn Elizabeth
  • Kathlyn Rose
  • Kathlyn Lynn

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 Kathlyn

Patrick Brigid Colm Siobhan Brendan

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 Kathlyn or Olivia more popular?

Olivia is more popular, ranked #1 compared to Kathlyn at #2719 in the United States.

What do Kathlyn and Olivia mean?

Kathlyn means "pure" (Greek origin). Olivia means "olive tree" (Latin origin).

Are Kathlyn and Olivia boy or girl names?

Kathlyn is primarily a girl name. Olivia is primarily a girl name.

More Comparisons

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