Willis vs Kailan

Baby Name Comparison — 2026

Willis

Boy #2,686 Most Popular 2 Syllables

"resolute protector"

Origin: Germanic

English American African-American

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Boy #2,875 Most Popular 2 Syllables

"little slender one"

Origin: Irish Gaelic

American Irish English

✓ All Clear

Willis Rank #2,686

Kailan Rank #2,875

Willis is more popular, ranked #2686 vs #2875 for Kailan.

Is Willis or Kailan more popular?

Willis is more popular, ranked #2686 compared to Kailan at #2875 in the United States.

What do Willis and Kailan mean?

Willis means "resolute protector" (Germanic origin). Kailan means "little slender one" (Irish Gaelic origin).

Are Willis and Kailan boy or girl names?

Willis is primarily a boy name. Kailan is primarily a boy name.