Karl vs Rai

Baby Name Comparison — 2026

Karl

Boy #1,684 Most Popular 1 Syllable

Meaning

"free man, strong man"

Origin: Old High German

Cultural Roots

German Scandinavian Austrian Swedish Norwegian

Quick Stats

Popularity Rank
#1,684
Total SSA Count
99
Syllables
1
Formality
Formal

Playground Safety Score

✓ All Clear
Full profile for Karl →

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

Karl Rank #1,684
Rai Rank #3,971

Karl is more popular, ranked #1684 vs #3971 for Rai.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Karl ___

  • Karl Friedrich
  • Karl Heinrich
  • Karl Magnus
  • Karl Erik
  • Karl Gunnar
  • Karl Lars

Rai ___

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

Sibling Name Ideas

Names that pair well as siblings.

If you choose Karl

Hans Brigitte Ingrid Heinz Erika

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 Karl or Rai more popular?

Karl is more popular, ranked #1684 compared to Rai at #3971 in the United States.

What do Karl and Rai mean?

Karl means "free man, strong man" (Old High German origin). Rai means "trust, reliance" (Japanese origin).

Are Karl and Rai boy or girl names?

Karl is primarily a boy name. Rai is primarily a boy name.

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