Kaspian vs Theodore

Baby Name Comparison — 2026

Kaspian

Boy #2,915 Most Popular 3 Syllables

Meaning

"of the Caspian Sea"

Origin: Persian

Cultural Roots

English American Persian Slavic

Quick Stats

Popularity Rank
#2,915
Total SSA Count
43
Syllables
3
Formality
Moderate
Nicknames
Kas, Kaspi

Playground Safety Score

✓ All Clear
Full profile for Kaspian →

Popularity Comparison

Kaspian Rank #2,915
Theodore Rank #4

Theodore is more popular, ranked #4 vs #2915 for Kaspian.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kaspian ___

  • Kaspian James
  • Kaspian Alexander
  • Kaspian Orion
  • Kaspian Everett
  • Kaspian Fox
  • Kaspian Lane

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 Kaspian

Aslan Edmund Lucy Rowena Lysander

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 Kaspian or Theodore more popular?

Theodore is more popular, ranked #4 compared to Kaspian at #2915 in the United States.

What do Kaspian and Theodore mean?

Kaspian means "of the Caspian Sea" (Persian origin). Theodore means "divine gift" (Greek origin).

Are Kaspian and Theodore boy or girl names?

Kaspian is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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