Willis vs Caison

Baby Name Comparison — 2026

Willis

Boy #2,686 Most Popular 2 Syllables

"resolute protector"

Origin: Germanic

English American African-American

✓ All Clear

Boy #2,487 Most Popular 2 Syllables

"hollow, empty space"

Origin: French

American

✓ All Clear

Willis Rank #2,686

Caison Rank #2,487

Caison is more popular, ranked #2487 vs #2686 for Willis.

Is Willis or Caison more popular?

Caison is more popular, ranked #2487 compared to Willis at #2686 in the United States.

What do Willis and Caison mean?

Willis means "resolute protector" (Germanic origin). Caison means "hollow, empty space" (French origin).

Are Willis and Caison boy or girl names?

Willis is primarily a boy name. Caison is primarily a boy name.