Kayce vs Theodore

Baby Name Comparison — 2026

Kayce

Boy #420 Most Popular 2 Syllables

Meaning

"alert, watchful, vigilant"

Origin: Irish Gaelic

Cultural Roots

American Irish

Quick Stats

Popularity Rank
#420
Total SSA Count
756
Syllables
2
Formality
Casual
Nicknames
Kay, Case

Playground Safety Score

✓ All Clear
Full profile for Kayce →

Popularity Comparison

Kayce Rank #420
Theodore Rank #4

Theodore is more popular, ranked #4 vs #420 for Kayce.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kayce ___

  • Kayce James
  • Kayce Lee
  • Kayce Grant
  • Kayce Dean
  • Kayce Cole
  • Kayce Wayne

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 Kayce

Chase Brayden Wyatt Riley Harley

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 Kayce or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kayce at #420 in the United States.

What do Kayce and Theodore mean?

Kayce means "alert, watchful, vigilant" (Irish Gaelic origin). Theodore means "divine gift" (Greek origin).

Are Kayce and Theodore boy or girl names?

Kayce is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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