Katie vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Katie Rank #580
Theodore Rank #4

Theodore is more popular, ranked #4 vs #580 for Katie.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Katie ___

  • Katie Grace
  • Katie Rose
  • Katie Ann
  • Katie Lynn
  • Katie Elizabeth
  • Katie Marie

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 Katie

Emily Sarah Connor Patrick Molly

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 Katie or Theodore more popular?

Theodore is more popular, ranked #4 compared to Katie at #580 in the United States.

What do Katie and Theodore mean?

Katie means "pure, clear" (Greek origin). Theodore means "divine gift" (Greek origin).

Are Katie and Theodore boy or girl names?

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

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← Full profile: Katie ← Full profile: Theodore Browse all baby names