Cornelia vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Cornelia Rank #3,813
Theodore Rank #4

Theodore is more popular, ranked #4 vs #3813 for Cornelia.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cornelia ___

  • Cornelia Jane
  • Cornelia Rose
  • Cornelia Elizabeth
  • Cornelia Augusta
  • Cornelia Mae
  • Cornelia Louise

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 Cornelia

Octavia Sebastian Augusta Lysander Beatrice

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 Cornelia or Theodore more popular?

Theodore is more popular, ranked #4 compared to Cornelia at #3813 in the United States.

What do Cornelia and Theodore mean?

Cornelia means "horn, strong-willed" (Latin origin). Theodore means "divine gift" (Greek origin).

Are Cornelia and Theodore boy or girl names?

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

More Comparisons

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