Rei vs May

Baby Name Comparison — 2026

Rei

Boy #3,800 Most Popular 1 Syllable

"courtesy, respect, gratitude"

Origin: Japanese kanji 礼

Japanese American Brazilian

✓ All Clear

Girl #1,351 Most Popular 1 Syllable

"goddess of spring, month of May"

Origin: Latin

English American French German

✓ All Clear

Rei Rank #3,800

May Rank #1,351

May is more popular, ranked #1351 vs #3800 for Rei.

Is Rei or May more popular?

May is more popular, ranked #1351 compared to Rei at #3800 in the United States.

What do Rei and May mean?

Rei means "courtesy, respect, gratitude" (Japanese kanji 礼 origin). May means "goddess of spring, month of May" (Latin origin).

Are Rei and May boy or girl names?

Rei is primarily a boy name. May is primarily a girl name.