Kean vs Killiam

Baby Name Comparison — 2026

Kean

Boy #5,607 Most Popular 1 Syllable

Meaning

"ancient, enduring"

Origin: Old Irish cian

Cultural Roots

Irish English

Quick Stats

Popularity Rank
#5,607
Total SSA Count
17
Syllables
1
Formality
Moderate
Nicknames
Kean

Playground Safety Score

15 High Risk

{:type=>:rhyme, :severity=>:medium, :message=>"'Kean' rhymes with 'mean'"}

Full profile for Kean →

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 →

Popularity Comparison

Kean Rank #5,607
Killiam Rank #5,792

Kean is more popular, ranked #5607 vs #5792 for Killiam.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kean ___

  • Kean Patrick
  • Kean James
  • Kean Michael
  • Kean Thomas
  • Kean Oliver

Killiam ___

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

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kean

Cian Roisin Brigid Finn Saoirse

If you choose Killiam

Declan Finn Ronan Saoirse Niamh

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 Kean or Killiam more popular?

Kean is more popular, ranked #5607 compared to Killiam at #5792 in the United States.

What do Kean and Killiam mean?

Kean means "ancient, enduring" (Old Irish cian origin). Killiam means "little churchman, associated with the church" (Old Irish ceall + diminutive origin).

Are Kean and Killiam boy or girl names?

Kean is primarily a boy name. Killiam is primarily a boy name.

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