Ao vs Casten

Baby Name Comparison — 2026

Ao

Boy #14,516 Most Popular 2 Syllables

Meaning

"blue, blue-green"

Origin: Japanese

Cultural Roots

Japanese Chinese Maori

Quick Stats

Popularity Rank
#14,516
Total SSA Count
7
Syllables
2
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Ao →

Popularity Comparison

Ao Rank #14,516
Casten Rank #14,391

Casten is more popular, ranked #14391 vs #14516 for Ao.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Ao ___

  • Ao James
  • Ao River
  • Ao Blue
  • Ao Kai
  • Ao Finn
  • Ao Stone

Casten ___

No pairings available yet.

Sibling Name Ideas

Names that pair well as siblings.

If you choose Ao

Ki Haru Ryo Kai Sora

If you choose Casten

No sibling data available yet.

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 Ao or Casten more popular?

Casten is more popular, ranked #14391 compared to Ao at #14516 in the United States.

What do Ao and Casten mean?

Ao means "blue, blue-green" (Japanese origin).

Are Ao and Casten boy or girl names?

Ao is primarily a boy name. Casten is primarily a boy name.

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← Full profile: Ao ← Full profile: Casten Browse all baby names