Nio vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Nio Rank #6,449
Theodore Rank #4

Theodore is more popular, ranked #4 vs #6449 for Nio.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Nio ___

  • Nio James
  • Nio Alexander
  • Nio Joseph
  • Nio Lucas
  • Nio Cole
  • Nio Dean

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 Nio

Kai Mia Sora Ren Zara

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 Nio or Theodore more popular?

Theodore is more popular, ranked #4 compared to Nio at #6449 in the United States.

What do Nio and Theodore mean?

Nio means "benevolent king" (Japanese origin). Theodore means "divine gift" (Greek origin).

Are Nio and Theodore boy or girl names?

Nio is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

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