Alex vs Kaiden

Baby Name Comparison — 2026

Alex

Boy #205 Most Popular 2 Syllables

Meaning

"defender of men"

Origin: Greek

Cultural Roots

English Greek Spanish Russian French

Quick Stats

Popularity Rank
#205
Total SSA Count
1,722
Syllables
2
Formality
Moderate
Nicknames
Al, Lex

Playground Safety Score

✓ All Clear
Full profile for Alex →

Popularity Comparison

Alex Rank #205
Kaiden Rank #207

Alex is more popular, ranked #205 vs #207 for Kaiden.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Alex ___

  • Alex James
  • Alex Michael
  • Alex Thomas
  • Alex Ryan
  • Alex John
  • Alex William

Kaiden ___

  • Kaiden James
  • Kaiden Lee
  • Kaiden Michael
  • Kaiden Ryan
  • Kaiden Cole
  • Kaiden Grey

Sibling Name Ideas

Names that pair well as siblings.

If you choose Alex

Ryan Emma Sophie Natalie Jack

If you choose Kaiden

Brayden Jayden Riley Logan Addison

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 Alex or Kaiden more popular?

Alex is more popular, ranked #205 compared to Kaiden at #207 in the United States.

What do Alex and Kaiden mean?

Alex means "defender of men" (Greek origin). Kaiden means "little fire" (Old Irish (Aodhán) origin).

Are Alex and Kaiden boy or girl names?

Alex is primarily a boy name. Kaiden is primarily a boy name.

More Comparisons

Kaiden vs Alex Alex vs Micah Alex vs Owen Alex vs Baylor Alex vs Evan
← Full profile: Alex ← Full profile: Kaiden Browse all baby names