Killiam vs Killua

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 →

Killua

Boy #5,636 Most Popular 3 Syllables

Meaning

"fictional invented name, no established meaning"

Origin: Japanese (fictional)

Cultural Roots

American Japanese

Quick Stats

Popularity Rank
#5,636
Total SSA Count
17
Syllables
3
Formality
Casual
Nicknames
Kil, Killy

Playground Safety Score

✓ All Clear
Full profile for Killua →

Popularity Comparison

Killiam Rank #5,792
Killua Rank #5,636

Killua is more popular, ranked #5636 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

Killua ___

  • Killua Zane
  • Killua Ray
  • Killua Cole
  • Killua James
  • Killua Lee
  • Killua Ash

Sibling Name Ideas

Names that pair well as siblings.

If you choose Killiam

Declan Finn Ronan Saoirse Niamh

If you choose Killua

Gon Kurapika Leorio Zeno Illumi

Which Name Fits Your Family?

Answer 3 quick questions and we'll help you decide.

1. Which style feels more like your family?

Frequently Asked Questions

Is Killiam or Killua more popular?

Killua is more popular, ranked #5636 compared to Killiam at #5792 in the United States.

What do Killiam and Killua mean?

Killiam means "little churchman, associated with the church" (Old Irish ceall + diminutive origin). Killua means "fictional invented name, no established meaning" (Japanese (fictional) origin).

Are Killiam and Killua boy or girl names?

Killiam is primarily a boy name. Killua is primarily a boy name.

More Comparisons

Killua vs Killiam Killiam vs Kyloh Killiam vs Kohlson Killiam vs Jeicob Killiam vs Yassine
← Full profile: Killiam ← Full profile: Killua Browse all baby names