Killiam vs Jeferson

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

Evin Zhamir Dawsen Xayne

Full profile for Killiam →

Jeferson

Boy #5,655 Most Popular 3 Syllables

Meaning

"son of Jeffrey, son of peace"

Origin: English

Cultural Roots

American English Brazilian Hispanic

Quick Stats

Popularity Rank: #5,655
Total SSA Count: 17
Syllables: 3
Formality: Moderate

Playground Safety Score

✓ All Clear

Similar Names

Camp Harlyn Yasiah Deagan

Full profile for Jeferson →

Popularity Comparison

Killiam Rank #5,792

Jeferson Rank #5,655

Jeferson is more popular, ranked #5655 vs #5792 for Killiam.

Frequently Asked Questions

Is Killiam or Jeferson more popular?

Jeferson is more popular, ranked #5655 compared to Killiam at #5792 in the United States.

What do Killiam and Jeferson mean?

Killiam means "little churchman, associated with the church" (Old Irish ceall + diminutive origin). Jeferson means "son of Jeffrey, son of peace" (English origin).

Are Killiam and Jeferson boy or girl names?

Killiam is primarily a boy name. Jeferson is primarily a boy name.

More Comparisons

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