Killiam vs Alaster

Baby Name Comparison — 2026

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

Aldin Princeston Evryn Jaevion

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Alaster

Boy #5,903 Most Popular 3 Syllables

Meaning

"defender of men, protector of mankind"

Origin: Greek via Scottish Gaelic

Cultural Roots

Scottish Irish English Celtic

Quick Stats

Popularity Rank: #5,903
Total SSA Count: 16
Syllables: 3
Formality: Formal

Playground Safety Score

✓ All Clear

Similar Names

Adian Dartagnan Mattox Heyden

Full profile for Alaster →

Popularity Comparison

Killiam Rank #5,792

Alaster Rank #5,903

Killiam is more popular, ranked #5792 vs #5903 for Alaster.

Frequently Asked Questions

Is Killiam or Alaster more popular?

Killiam is more popular, ranked #5792 compared to Alaster at #5903 in the United States.

What do Killiam and Alaster mean?

Killiam means "little churchman, associated with the church" (Old Irish ceall + diminutive origin). Alaster means "defender of men, protector of mankind" (Greek via Scottish Gaelic origin).

Are Killiam and Alaster boy or girl names?

Killiam is primarily a boy name. Alaster is primarily a boy name.

More Comparisons

Alaster vs Killiam Killiam vs Aldin Killiam vs Princeston Killiam vs Evryn Killiam vs Jaevion

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