Alaster vs Kaydan

Baby Name Comparison — 2026

Alaster

Boy #5,903 Most Popular 3 Syllables

Meaning

"defender of men, protector of mankind"

Origin: Greek via Scottish Gaelic

Cultural Roots

Scottish Irish English Celtic

Quick Stats

Popularity Rank
#5,903
Total SSA Count
16
Syllables
3
Formality
Formal
Nicknames
Al, Allie, Aster

Playground Safety Score

✓ All Clear
Full profile for Alaster →

Popularity Comparison

Alaster Rank #5,903
Kaydan Rank #5,752

Kaydan is more popular, ranked #5752 vs #5903 for Alaster.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Alaster ___

  • Alaster James
  • Alaster William
  • Alaster Hugh
  • Alaster Fraser
  • Alaster Ross
  • Alaster Douglas

Kaydan ___

  • Kaydan James
  • Kaydan Lee
  • Kaydan Cole
  • Kaydan Ray
  • Kaydan Blake
  • Kaydan Tate

Sibling Name Ideas

Names that pair well as siblings.

If you choose Alaster

Callum Fergus Duncan Malcolm Fiona

If you choose Kaydan

Jayden Brayden Addison Layla Zayden

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 Alaster or Kaydan more popular?

Kaydan is more popular, ranked #5752 compared to Alaster at #5903 in the United States.

What do Alaster and Kaydan mean?

Alaster means "defender of men, protector of mankind" (Greek via Scottish Gaelic origin). Kaydan means "battle, fighter" (Gaelic origin).

Are Alaster and Kaydan boy or girl names?

Alaster is primarily a boy name. Kaydan is primarily a boy name.

More Comparisons

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← Full profile: Alaster ← Full profile: Kaydan Browse all baby names