Kaj vs Liam

Baby Name Comparison — 2026

Kaj

Boy #6,083 Most Popular 1 Syllable

Meaning

"to rejoice"

Origin: Latin (Caius/Gaius)

Cultural Roots

Danish Swedish Norwegian German

Quick Stats

Popularity Rank
#6,083
Total SSA Count
15
Syllables
1
Formality
Moderate

Playground Safety Score

All Clear

Liam

Boy #1 Most Popular 2 Syllables

Meaning

"strong-willed warrior"

Origin: Irish

Cultural Roots

Irish English American

Quick Stats

Popularity Rank
#1
Total SSA Count
22,164
Syllables
2
Formality
Moderate
Nicknames
Lee

Playground Safety Score

All Clear

Popularity Comparison

Kaj Rank #6,083
Liam Rank #1

Liam is more popular, ranked #1 vs #6083 for Kaj.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Kaj ___

  • Kaj Erik
  • Kaj Lars
  • Kaj Wilhelm
  • Kaj Gustav
  • Kaj Magnus
  • Kaj Nils

Liam ___

  • Liam James
  • Liam Alexander
  • Liam Thomas
  • Liam Michael
  • Liam Patrick
  • Liam Joseph

Sibling Name Ideas

Names that pair well as siblings.

If you choose Kaj

Signe Astrid Leif Bjorn Sigrid

If you choose Liam

Olivia Emma Noah Charlotte Sophia

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 Kaj or Liam more popular?

Liam is more popular, ranked #1 compared to Kaj at #6083 in the United States.

What do Kaj and Liam mean?

Kaj means "to rejoice" (Latin (Caius/Gaius) origin). Liam means "strong-willed warrior" (Irish origin).

Are Kaj and Liam boy or girl names?

Kaj is primarily a boy name. Liam is primarily a boy name.

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