Willis vs Koi

Baby Name Comparison — 2026

Willis

Boy #2,686 Most Popular 2 Syllables

"resolute protector"

Origin: Germanic

English American African-American

✓ All Clear

Boy #2,684 Most Popular 1 Syllable

"love, romantic feeling"

Origin: Japanese

Japanese American Hawaiian

✓ All Clear

Willis Rank #2,686

Koi Rank #2,684

Koi is more popular, ranked #2684 vs #2686 for Willis.

Is Willis or Koi more popular?

Koi is more popular, ranked #2684 compared to Willis at #2686 in the United States.

What do Willis and Koi mean?

Willis means "resolute protector" (Germanic origin). Koi means "love, romantic feeling" (Japanese origin).

Are Willis and Koi boy or girl names?

Willis is primarily a boy name. Koi is primarily a boy name.