Jax vs Theodore

Baby Name Comparison — 2026

Popularity Comparison

Jax Rank #315
Theodore Rank #4

Theodore is more popular, ranked #4 vs #315 for Jax.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Jax ___

  • Jax Alexander
  • Jax Cole
  • Jax River
  • Jax Reid
  • Jax Thomas
  • Jax 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 Jax

Knox Dax Cruz Lola Piper

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 Jax or Theodore more popular?

Theodore is more popular, ranked #4 compared to Jax at #315 in the United States.

What do Jax and Theodore mean?

Theodore means "divine gift" (Greek origin).

Are Jax and Theodore boy or girl names?

Jax is primarily a boy name. Theodore is primarily a boy name.

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