Eirik vs Kaj

Baby Name Comparison — 2026

Eirik

Boy #6,110 Most Popular 2 Syllables

Meaning

"eternal ruler, ever powerful"

Origin: Old Norse

Cultural Roots

Norwegian Icelandic Scandinavian

Quick Stats

Popularity Rank
#6,110
Total SSA Count
15
Syllables
2
Formality
Moderate
Nicknames
Ei, Rik, Erik

Playground Safety Score

✓ All Clear
Full profile for Eirik →

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
Full profile for Kaj →

Popularity Comparison

Eirik Rank #6,110
Kaj Rank #6,083

Kaj is more popular, ranked #6083 vs #6110 for Eirik.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Eirik ___

  • Eirik Tor
  • Eirik Leif
  • Eirik Bjorn
  • Eirik James
  • Eirik William
  • Eirik Alexander

Kaj ___

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

Sibling Name Ideas

Names that pair well as siblings.

If you choose Eirik

Leif Bjorn Sigrid Astrid Freya

If you choose Kaj

Signe Astrid Leif Bjorn Sigrid

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 Eirik or Kaj more popular?

Kaj is more popular, ranked #6083 compared to Eirik at #6110 in the United States.

What do Eirik and Kaj mean?

Eirik means "eternal ruler, ever powerful" (Old Norse origin). Kaj means "to rejoice" (Latin (Caius/Gaius) origin).

Are Eirik and Kaj boy or girl names?

Eirik is primarily a boy name. Kaj is primarily a boy name.

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← Full profile: Eirik ← Full profile: Kaj Browse all baby names