Kei vs Caisyn

Baby Name Comparison — 2026

Kei

Boy #4,606 Most Popular 1 Syllable

"joy, jubilation"

Origin: Japanese kanji 慶

Japanese American Hawaiian

✓ All Clear

Boy #4,590 Most Popular 2 Syllables

"path, way (via Cason etymology)"

Origin: American/Modern

American

✓ All Clear

Kei Rank #4,606

Caisyn Rank #4,590

Caisyn is more popular, ranked #4590 vs #4606 for Kei.

Is Kei or Caisyn more popular?

Caisyn is more popular, ranked #4590 compared to Kei at #4606 in the United States.

What do Kei and Caisyn mean?

Kei means "joy, jubilation" (Japanese kanji 慶 origin). Caisyn means "path, way (via Cason etymology)" (American/Modern origin).

Are Kei and Caisyn boy or girl names?

Kei is primarily a boy name. Caisyn is primarily a boy name.