Caspian vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Caspian Rank #579
Theodore Rank #4

Theodore is more popular, ranked #4 vs #579 for Caspian.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Caspian ___

  • Caspian James
  • Caspian River
  • Caspian Grey
  • Caspian Wolf
  • Caspian Sebastian
  • Caspian Lake

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 Caspian

Edmund Lucy Atticus Lysander Cordelia

If you choose Theodore

Olivia Charlotte Amelia Eleanor Oliver

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Caspian or Theodore more popular?

Theodore is more popular, ranked #4 compared to Caspian at #579 in the United States.

What do Caspian and Theodore mean?

Caspian means "of the Caspian Sea" (Latin/Geographic origin). Theodore means "divine gift" (Greek origin).

Are Caspian and Theodore boy or girl names?

Caspian is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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