Cai vs Kallum

Baby Name Comparison — 2026

Cai

Boy #1,906 Most Popular 1 Syllable

Meaning

"rejoice, delight"

Origin: Latin via Welsh

Cultural Roots

Welsh Chinese English

Quick Stats

Popularity Rank
#1,906
Total SSA Count
83
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Cai →

Popularity Comparison

Cai Rank #1,906
Kallum Rank #1,809

Kallum is more popular, ranked #1809 vs #1906 for Cai.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Cai ___

  • Cai James
  • Cai River
  • Cai Alexander
  • Cai Thomas
  • Cai Owen
  • Cai Finn

Kallum ___

  • Kallum James
  • Kallum Ross
  • Kallum Iain
  • Kallum Alistair
  • Kallum Duncan
  • Kallum Fraser

Sibling Name Ideas

Names that pair well as siblings.

If you choose Cai

Nia Rhys Lena Beau Seren

If you choose Kallum

Finlay Fraser Isla Skye Rory

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 Cai or Kallum more popular?

Kallum is more popular, ranked #1809 compared to Cai at #1906 in the United States.

What do Cai and Kallum mean?

Cai means "rejoice, delight" (Latin via Welsh origin). Kallum means "dove" (Latin origin).

Are Cai and Kallum boy or girl names?

Cai is primarily a boy name. Kallum is primarily a boy name.

More Comparisons

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← Full profile: Cai ← Full profile: Kallum Browse all baby names