Caius vs Aiko

Baby Name Comparison — 2026

Caius

Boy #1,063 Most Popular 2 Syllables

"to rejoice, joyful"

Origin: Latin

Roman British European American

✓ All Clear

Boy #10,540 Most Popular 3 Syllables

"child of love"

Origin: Japanese

Japanese

✓ All Clear

Caius Rank #1,063

Aiko Rank #10,540

Caius is more popular, ranked #1063 vs #10540 for Aiko.

Is Caius or Aiko more popular?

Caius is more popular, ranked #1063 compared to Aiko at #10540 in the United States.

What do Caius and Aiko mean?

Caius means "to rejoice, joyful" (Latin origin). Aiko means "child of love" (Japanese origin).

Are Caius and Aiko boy or girl names?

Caius is primarily a boy name. Aiko is primarily a boy name.