Kasey vs Theodore

Baby Name Comparison — 2026

Kasey

Boy #1,165 Most Popular 2 Syllables

Meaning

"brave in battle"

Origin: Irish Gaelic

Cultural Roots

Irish American English

Quick Stats

Popularity Rank
#1,165
Total SSA Count
179
Syllables
2
Formality
Casual
Nicknames
Kase

Playground Safety Score

✓ All Clear
Full profile for Kasey →

Popularity Comparison

Kasey Rank #1,165
Theodore Rank #4

Theodore is more popular, ranked #4 vs #1165 for Kasey.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kasey ___

  • Kasey James
  • Kasey Michael
  • Kasey Lee
  • Kasey Ray
  • Kasey Allen
  • Kasey Dean

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 Kasey

Brady Riley Kelsey Teagan Finn

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 Kasey or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kasey at #1165 in the United States.

What do Kasey and Theodore mean?

Kasey means "brave in battle" (Irish Gaelic origin). Theodore means "divine gift" (Greek origin).

Are Kasey and Theodore boy or girl names?

Kasey is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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