Katherine vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Katherine Rank #175
Theodore Rank #4

Theodore is more popular, ranked #4 vs #175 for Katherine.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Katherine ___

  • Katherine Elizabeth
  • Katherine Anne
  • Katherine Grace
  • Katherine Marie
  • Katherine Louise
  • Katherine Rose

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 Katherine

William Henry Charlotte Edward Margaret

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 Katherine or Theodore more popular?

Theodore is more popular, ranked #4 compared to Katherine at #175 in the United States.

What do Katherine and Theodore mean?

Katherine means "pure" (Greek origin). Theodore means "divine gift" (Greek origin).

Are Katherine and Theodore boy or girl names?

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

More Comparisons

Theodore vs Katherine Katherine vs Valentina Katherine vs Lainey Katherine vs Lily Katherine vs Elianna
← Full profile: Katherine ← Full profile: Theodore Browse all baby names