Willis vs Killiam

Baby Name Comparison — 2026

Willis

Boy #2,686 Most Popular 2 Syllables

Meaning

"resolute protector"

Origin: Germanic

Cultural Roots

English American African-American

Quick Stats

Popularity Rank: #2,686
Total SSA Count: 49
Syllables: 2
Formality: Moderate

Playground Safety Score

✓ All Clear

Similar Names

Tiberius Nylan Gareth Kashmere

Full profile for Willis →

Killiam

Boy #5,792 Most Popular 3 Syllables

Meaning

"little churchman, associated with the church"

Origin: Old Irish ceall + diminutive

Cultural Roots

Irish American

Quick Stats

Popularity Rank: #5,792
Total SSA Count: 16
Syllables: 3
Formality: Moderate

Playground Safety Score

✓ All Clear

Similar Names

Moss Iris Randal Joriel

Full profile for Killiam →

Popularity Comparison

Willis Rank #2,686

Killiam Rank #5,792

Willis is more popular, ranked #2686 vs #5792 for Killiam.

Frequently Asked Questions

Is Willis or Killiam more popular?

Willis is more popular, ranked #2686 compared to Killiam at #5792 in the United States.

What do Willis and Killiam mean?

Willis means "resolute protector" (Germanic origin). Killiam means "little churchman, associated with the church" (Old Irish ceall + diminutive origin).

Are Willis and Killiam boy or girl names?

Willis is primarily a boy name. Killiam is primarily a boy name.

More Comparisons

Killiam vs Willis Willis vs Tiberius Willis vs Nylan Willis vs Gareth Willis vs Kashmere

← Full profile: Willis ← Full profile: Killiam Browse all baby names