Delta vs Theodore

Baby Name Comparison — 2026

Delta

Girl #2,270 Most Popular 2 Syllables

Meaning

"River mouth, fertile land"

Origin: Greek

Cultural Roots

Greek American Australian

Quick Stats

Popularity Rank
#2,270
Total SSA Count
82
Syllables
2
Formality
Casual
Nicknames
Del, Della

Playground Safety Score

✓ All Clear
Full profile for Delta →

Popularity Comparison

Delta Rank #2,270
Theodore Rank #4

Theodore is more popular, ranked #4 vs #2270 for Delta.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Delta ___

  • Delta Rose
  • Delta June
  • Delta Mae
  • Delta Blue
  • Delta Rain
  • Delta Fern

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 Delta

Zeta Orion Atlas Lyra Phoenix

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 Delta or Theodore more popular?

Theodore is more popular, ranked #4 compared to Delta at #2270 in the United States.

What do Delta and Theodore mean?

Delta means "River mouth, fertile land" (Greek origin). Theodore means "divine gift" (Greek origin).

Are Delta and Theodore boy or girl names?

Delta is primarily a girl name. Theodore is primarily a boy name.

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