Alastair vs Lex

Baby Name Comparison — 2026

Alastair

Boy #2,390 Most Popular 3 Syllables

Meaning

"defender of men"

Origin: Greek via Scottish Gaelic

Cultural Roots

Scottish Irish British American

Quick Stats

Popularity Rank
#2,390
Total SSA Count
59
Syllables
3
Formality
Formal
Nicknames
Al, Ali, Allie

Playground Safety Score

✓ All Clear
Full profile for Alastair →

Lex

Boy #2,214 Most Popular 1 Syllable

Meaning

"defender of men (short for Alexander)"

Origin: Greek

Cultural Roots

English American Dutch European

Quick Stats

Popularity Rank
#2,214
Total SSA Count
65
Syllables
1
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Lex →

Popularity Comparison

Alastair Rank #2,390
Lex Rank #2,214

Lex is more popular, ranked #2214 vs #2390 for Alastair.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Alastair ___

  • Alastair James
  • Alastair Hugh
  • Alastair Gordon
  • Alastair Fraser
  • Alastair David
  • Alastair Colin

Lex ___

  • Lex James
  • Lex Cole
  • Lex Reed
  • Lex Ryan
  • Lex Nathan
  • Lex Grey

Sibling Name Ideas

Names that pair well as siblings.

If you choose Alastair

Catriona Fiona Hamish Angus Isla

If you choose Lex

Max Rex Zoe Nora Mia

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 Alastair or Lex more popular?

Lex is more popular, ranked #2214 compared to Alastair at #2390 in the United States.

What do Alastair and Lex mean?

Alastair means "defender of men" (Greek via Scottish Gaelic origin). Lex means "defender of men (short for Alexander)" (Greek origin).

Are Alastair and Lex boy or girl names?

Alastair is primarily a boy name. Lex is primarily a boy name.

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← Full profile: Alastair ← Full profile: Lex Browse all baby names