Killiam vs William

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

Shad Reyden Ryot Kimari

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William

Boy #10 Most Popular 3 Syllables

Meaning

"resolute protector, strong-willed guardian"

Origin: Germanic

Cultural Roots

English German French

Quick Stats

Popularity Rank: #10
Total SSA Count: 10,596
Syllables: 3
Formality: Formal

Playground Safety Score

✓ All Clear

Similar Names

Micah Nicholas Matteo Declan

Full profile for William →

Popularity Comparison

Killiam Rank #5,792

William Rank #10

William is more popular, ranked #10 vs #5792 for Killiam.

Frequently Asked Questions

Is Killiam or William more popular?

William is more popular, ranked #10 compared to Killiam at #5792 in the United States.

What do Killiam and William mean?

Killiam means "little churchman, associated with the church" (Old Irish ceall + diminutive origin). William means "resolute protector, strong-willed guardian" (Germanic origin).

Are Killiam and William boy or girl names?

Killiam is primarily a boy name. William is primarily a boy name.

More Comparisons

William vs Killiam Killiam vs Shad Killiam vs Reyden Killiam vs Ryot Killiam vs Kimari

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