Killiam vs Mcclain

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
Nicknames
Kill, Liam, Killy

Playground Safety Score

✓ All Clear
Full profile for Killiam →

Mcclain

Boy #5,676 Most Popular 2 Syllables

Meaning

"son of the servant of Saint John"

Origin: Scottish Gaelic Mac Gille Eathain

Cultural Roots

Irish Scottish American

Quick Stats

Popularity Rank
#5,676
Total SSA Count
17
Syllables
2
Formality
Moderate
Nicknames
Mac, Clay, Clain

Playground Safety Score

✓ All Clear
Full profile for Mcclain →

Popularity Comparison

Killiam Rank #5,792
Mcclain Rank #5,676

Mcclain is more popular, ranked #5676 vs #5792 for Killiam.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Killiam ___

  • Killiam James
  • Killiam Patrick
  • Killiam Michael
  • Killiam Sean
  • Killiam Finn
  • Killiam Cole

Mcclain ___

  • Mcclain James
  • Mcclain Robert
  • Mcclain Thomas
  • Mcclain William
  • Mcclain Patrick
  • Mcclain Henry

Sibling Name Ideas

Names that pair well as siblings.

If you choose Killiam

Declan Finn Ronan Saoirse Niamh

If you choose Mcclain

Finnegan Declan Callum Maeve Siobhan

Which Name Fits Your Family?

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1. Which style feels more like your family?

Frequently Asked Questions

Is Killiam or Mcclain more popular?

Mcclain is more popular, ranked #5676 compared to Killiam at #5792 in the United States.

What do Killiam and Mcclain mean?

Killiam means "little churchman, associated with the church" (Old Irish ceall + diminutive origin). Mcclain means "son of the servant of Saint John" (Scottish Gaelic Mac Gille Eathain origin).

Are Killiam and Mcclain boy or girl names?

Killiam is primarily a boy name. Mcclain is primarily a boy name.

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