Aiko vs Theodore

Baby Name Comparison — 2026

Aiko

Girl #2,398 Most Popular 3 Syllables

Meaning

"little one who is loved"

Origin: Japanese

Cultural Roots

Japanese American Korean

Quick Stats

Popularity Rank
#2,398
Total SSA Count
76
Syllables
3
Formality
Moderate
Nicknames
Ai, Ko

Playground Safety Score

✓ All Clear
Full profile for Aiko →

Popularity Comparison

Aiko Rank #2,398
Theodore Rank #4

Theodore is more popular, ranked #4 vs #2398 for Aiko.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Aiko ___

  • Aiko Marie
  • Aiko Grace
  • Aiko Rose
  • Aiko Elise
  • Aiko June
  • Aiko Pearl

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 Aiko

Keiko Hana Yuki Akira Naomi

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 Aiko or Theodore more popular?

Theodore is more popular, ranked #4 compared to Aiko at #2398 in the United States.

What do Aiko and Theodore mean?

Aiko means "little one who is loved" (Japanese origin). Theodore means "divine gift" (Greek origin).

Are Aiko and Theodore boy or girl names?

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

More Comparisons

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