Isaiah vs Theodore

Baby Name Comparison — 2026

Isaiah

Boy #56 Most Popular 3 Syllables

Meaning

"the Lord saves"

Origin: Hebrew

Cultural Roots

Hebrew English African American

Quick Stats

Popularity Rank
#56
Total SSA Count
5,250
Syllables
3
Formality
Moderate
Nicknames
Zay, Ike, Isa

Playground Safety Score

✓ All Clear
Full profile for Isaiah →

Popularity Comparison

Isaiah Rank #56
Theodore Rank #4

Theodore is more popular, ranked #4 vs #56 for Isaiah.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Isaiah ___

  • Isaiah James
  • Isaiah Michael
  • Isaiah David
  • Isaiah Thomas
  • Isaiah Alexander
  • Isaiah John

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 Isaiah

Elijah Josiah Miriam Hannah Ezekiel

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 Isaiah or Theodore more popular?

Theodore is more popular, ranked #4 compared to Isaiah at #56 in the United States.

What do Isaiah and Theodore mean?

Isaiah means "the Lord saves" (Hebrew origin). Theodore means "divine gift" (Greek origin).

Are Isaiah and Theodore boy or girl names?

Isaiah is primarily a boy name. Theodore is primarily a boy name.

More Comparisons

Theodore vs Isaiah Isaiah vs Griffin Isaiah vs Simon Isaiah vs Carter Isaiah vs Joel
← Full profile: Isaiah ← Full profile: Theodore Browse all baby names