Olsen vs Lou

Baby Name Comparison — 2026

Olsen

Boy #2,247 Most Popular 2 Syllables

"son of Ole (ancestor)"

Origin: Old Norse

Norwegian Danish Swedish American

✓ 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'"}

Olsen Rank #2,247

Lou Rank #2,123

Lou is more popular, ranked #2123 vs #2247 for Olsen.

Is Olsen or Lou more popular?

Lou is more popular, ranked #2123 compared to Olsen at #2247 in the United States.

What do Olsen and Lou mean?

Olsen means "son of Ole (ancestor)" (Old Norse origin). Lou means "famous warrior" (Germanic via French Louis origin).

Are Olsen and Lou boy or girl names?

Olsen is primarily a boy name. Lou is primarily a boy name.