Lou vs Lex

Baby Name Comparison — 2026

Lou

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'"}

Boy #2,214 Most Popular 1 Syllable

"defender of men (short for Alexander)"

Origin: Greek

English American Dutch European

✓ All Clear

Lou Rank #2,123

Lex Rank #2,214

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

Is Lou or Lex more popular?

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

What do Lou and Lex mean?

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

Are Lou and Lex boy or girl names?

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