Kai vs Kaira

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
Full profile for Kai →

Kaira

Girl #1,256 Most Popular 2 Syllables

Meaning

"goodness, beneficence"

Origin: Arabic

Cultural Roots

Finnish American Irish

Quick Stats

Popularity Rank
#1,256
Total SSA Count
185
Syllables
2
Formality
Moderate
Nicknames
Kai, Kia

Playground Safety Score

✓ All Clear
Full profile for Kaira →

Popularity Comparison

Kai Rank #76
Kaira Rank #1,256

Kai is more popular, ranked #76 vs #1256 for Kaira.

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

Kaira ___

  • Kaira Rose
  • Kaira Mae
  • Kaira Grace
  • Kaira Elise
  • Kaira Faye
  • Kaira Belle

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kai

Zara Nova Mila Leo Finn

If you choose Kaira

Finn Liam Nora Declan Isla

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 Kaira more popular?

Kai is more popular, ranked #76 compared to Kaira at #1256 in the United States.

What do Kai and Kaira mean?

Kai means "sea" (Hawaiian origin). Kaira means "goodness, beneficence" (Arabic origin).

Are Kai and Kaira boy or girl names?

Kai is primarily a boy name. Kaira is primarily a girl name.

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