Kei vs Thayer

Baby Name Comparison — 2026

Kei

Boy #4,606 Most Popular 1 Syllable

"joy, jubilation"

Origin: Japanese kanji 慶

Japanese American Hawaiian

✓ All Clear

Boy #4,558 Most Popular 2 Syllables

"army of the people, warrior of the nation"

Origin: Old German theod + hari

English American German

✓ All Clear

Kei Rank #4,606

Thayer Rank #4,558

Thayer is more popular, ranked #4558 vs #4606 for Kei.

Is Kei or Thayer more popular?

Thayer is more popular, ranked #4558 compared to Kei at #4606 in the United States.

What do Kei and Thayer mean?

Kei means "joy, jubilation" (Japanese kanji 慶 origin). Thayer means "army of the people, warrior of the nation" (Old German theod + hari origin).

Are Kei and Thayer boy or girl names?

Kei is primarily a boy name. Thayer is primarily a boy name.