Kaylan vs Theodore

Baby Name Comparison — 2026

Kaylan

Boy #4,545 Most Popular 2 Syllables

Meaning

"slender, narrow one"

Origin: Irish Gaelic

Cultural Roots

Irish American English

Quick Stats

Popularity Rank
#4,545
Total SSA Count
23
Syllables
2
Formality
Moderate
Nicknames
Kay, Lan

Playground Safety Score

✓ All Clear
Full profile for Kaylan →

Popularity Comparison

Kaylan Rank #4,545
Theodore Rank #4

Theodore is more popular, ranked #4 vs #4545 for Kaylan.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kaylan ___

  • Kaylan James
  • Kaylan Patrick
  • Kaylan Sean
  • Kaylan Thomas
  • Kaylan Michael

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 Kaylan

Brennan Declan Finley Maeve Sienna

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 Kaylan or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kaylan at #4545 in the United States.

What do Kaylan and Theodore mean?

Kaylan means "slender, narrow one" (Irish Gaelic origin). Theodore means "divine gift" (Greek origin).

Are Kaylan and Theodore boy or girl names?

Kaylan is primarily a boy name. Theodore is primarily a boy name.

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