Kais vs Rai

Baby Name Comparison — 2026

Rai

Boy #3,971 Most Popular 1 Syllable

Meaning

"trust, reliance"

Origin: Japanese

Cultural Roots

Japanese Indian Arabic American

Quick Stats

Popularity Rank
#3,971
Total SSA Count
28
Syllables
1
Formality
Moderate

Playground Safety Score

✓ All Clear
Full profile for Rai →

Popularity Comparison

Kais Rank #3,926
Rai Rank #3,971

Kais is more popular, ranked #3926 vs #3971 for Rai.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kais ___

  • Kais Omar
  • Kais Ali
  • Kais Hassan
  • Kais Tariq
  • Kais Nasser

Rai ___

  • Rai Alexander
  • Rai James
  • Rai Theodore
  • Rai Kenji
  • Rai Yuki

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kais

Ziad Rami Nadia Layla Sana

If you choose Rai

Kai Hana Sora Rei Naomi

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 Kais or Rai more popular?

Kais is more popular, ranked #3926 compared to Rai at #3971 in the United States.

What do Kais and Rai mean?

Kais means "firm, steadfast, hard" (Arabic origin). Rai means "trust, reliance" (Japanese origin).

Are Kais and Rai boy or girl names?

Kais is primarily a boy name. Rai is primarily a boy name.

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← Full profile: Kais ← Full profile: Rai Browse all baby names