Cassie vs Theodore

Baby Name Comparison — 2026

Cassie

Girl #1,273 Most Popular 2 Syllables

Meaning

"shining upon men"

Origin: Greek

Cultural Roots

English American Scottish

Quick Stats

Popularity Rank
#1,273
Total SSA Count
182
Syllables
2
Formality
Casual
Nicknames
Cass

Playground Safety Score

✓ All Clear
Full profile for Cassie →

Popularity Comparison

Cassie Rank #1,273
Theodore Rank #4

Theodore is more popular, ranked #4 vs #1273 for Cassie.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cassie ___

  • Cassie Rose
  • Cassie Mae
  • Cassie Lynn
  • Cassie Jean
  • Cassie Anne
  • Cassie Grace

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 Cassie

Maggie Tess Ruby Ellie 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 Cassie or Theodore more popular?

Theodore is more popular, ranked #4 compared to Cassie at #1273 in the United States.

What do Cassie and Theodore mean?

Cassie means "shining upon men" (Greek origin). Theodore means "divine gift" (Greek origin).

Are Cassie and Theodore boy or girl names?

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

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