Kaitlyn vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Kaitlyn Rank #652
Theodore Rank #4

Theodore is more popular, ranked #4 vs #652 for Kaitlyn.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kaitlyn ___

  • Kaitlyn Rose
  • Kaitlyn Marie
  • Kaitlyn Grace
  • Kaitlyn Ann
  • Kaitlyn Lee
  • Kaitlyn Elizabeth

Theodore ___

  • Theodore James
  • Theodore William
  • Theodore Alexander
  • Theodore John
  • Theodore Henry
  • Theodore Arthur

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kaitlyn

Ryan Brendan Meghan Erin Patrick

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

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 Kaitlyn or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kaitlyn at #652 in the United States.

What do Kaitlyn and Theodore mean?

Kaitlyn means "pure" (Greek (via Irish) origin). Theodore means "divine gift" (Greek origin).

Are Kaitlyn and Theodore boy or girl names?

Kaitlyn is primarily a girl name. Theodore is primarily a boy name.

More Comparisons

Theodore vs Kaitlyn Kaitlyn vs Lacey Kaitlyn vs Beatrice Kaitlyn vs Imani Kaitlyn vs Adele
← Full profile: Kaitlyn ← Full profile: Theodore Browse all baby names