Kai vs Warren

Baby Name Comparison — 2026

Kai

Boy #76 Most Popular 1 Syllable

Meaning

"sea"

Origin: Hawaiian

Cultural Roots

Hawaiian Scandinavian Japanese American Chinese

Quick Stats

Popularity Rank
#76
Total SSA Count
4,276
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
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Warren

Boy #262 Most Popular 2 Syllables

Meaning

"park, game preserve"

Origin: Norman French

Cultural Roots

English American Norman

Quick Stats

Popularity Rank
#262
Total SSA Count
1,327
Syllables
2
Formality
Moderate
Nicknames
Ren, War

Playground Safety Score

✓ All Clear
Full profile for Warren →

Popularity Comparison

Kai Rank #76
Warren Rank #262

Kai is more popular, ranked #76 vs #262 for Warren.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kai ___

  • Kai James
  • Kai Alexander
  • Kai Michael
  • Kai Robert
  • Kai William
  • Kai Thomas

Warren ___

  • Warren James
  • Warren Lee
  • Warren Thomas
  • Warren Michael
  • Warren Gray
  • Warren Ellis

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kai

Zara Nova Mila Leo Finn

If you choose Warren

Mabel Hazel Chester Walter Winifred

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 Kai or Warren more popular?

Kai is more popular, ranked #76 compared to Warren at #262 in the United States.

What do Kai and Warren mean?

Kai means "sea" (Hawaiian origin). Warren means "park, game preserve" (Norman French origin).

Are Kai and Warren boy or girl names?

Kai is primarily a boy name. Warren is primarily a boy name.

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← Full profile: Kai ← Full profile: Warren Browse all baby names