Kaci vs Theodore

Baby Name Comparison — 2026

Kaci

Girl #2,070 Most Popular 2 Syllables

Meaning

"alert, watchful in battle"

Origin: Irish Gaelic

Cultural Roots

American Irish English

Quick Stats

Popularity Rank
#2,070
Total SSA Count
93
Syllables
2
Formality
Casual
Nicknames
Kace

Playground Safety Score

✓ All Clear
Full profile for Kaci →

Popularity Comparison

Kaci Rank #2,070
Theodore Rank #4

Theodore is more popular, ranked #4 vs #2070 for Kaci.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kaci ___

  • Kaci Lynn
  • Kaci Marie
  • Kaci Ann
  • Kaci Grace
  • Kaci Nicole
  • Kaci Lee

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 Kaci

Brady Tatum Riley Dylan Morgan

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 Kaci or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kaci at #2070 in the United States.

What do Kaci and Theodore mean?

Kaci means "alert, watchful in battle" (Irish Gaelic origin). Theodore means "divine gift" (Greek origin).

Are Kaci and Theodore boy or girl names?

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

More Comparisons

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