Lex vs Lou

Baby Name Comparison — 2026

Lex

Boy #2,214 Most Popular 1 Syllable

"defender of men (short for Alexander)"

Origin: Greek

English American Dutch European

✓ All Clear

Boy #2,123 Most Popular 1 Syllable

"famous warrior"

Origin: Germanic via French Louis

French English American

24 High Risk

{:type=>:nickname, :severity=>:medium, :message=>"'Lou' can be twisted to 'poo'"}

Lex Rank #2,214

Lou Rank #2,123

Lou is more popular, ranked #2123 vs #2214 for Lex.

Is Lex or Lou more popular?

Lou is more popular, ranked #2123 compared to Lex at #2214 in the United States.

What do Lex and Lou mean?

Lex means "defender of men (short for Alexander)" (Greek origin). Lou means "famous warrior" (Germanic via French Louis origin).

Are Lex and Lou boy or girl names?

Lex is primarily a boy name. Lou is primarily a boy name.