Lou vs Olivia

Baby Name Comparison — 2026

Lou

Boy #2,123 Most Popular 1 Syllable

Meaning

"famous warrior"

Origin: Germanic via French Louis

Cultural Roots

French English American

Quick Stats

Popularity Rank
#2,123
Total SSA Count
70
Syllables
1
Formality
Casual

Playground Safety Score

24 High Risk

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

Full profile for Lou →

Popularity Comparison

Lou Rank #2,123
Olivia Rank #1

Olivia is more popular, ranked #1 vs #2123 for Lou.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Lou ___

  • Lou Henry
  • Lou James
  • Lou William
  • Lou Allen
  • Lou Clark
  • Lou Reed

Olivia ___

  • Olivia Rose
  • Olivia Grace
  • Olivia Jane
  • Olivia Mae
  • Olivia Claire
  • Olivia Jade

Sibling Name Ideas

Names that pair well as siblings.

If you choose Lou

Beau Nell Dot June Ray

If you choose Olivia

Liam Noah Charlotte Emma Sophia

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 Lou or Olivia more popular?

Olivia is more popular, ranked #1 compared to Lou at #2123 in the United States.

What do Lou and Olivia mean?

Lou means "famous warrior" (Germanic via French Louis origin). Olivia means "olive tree" (Latin origin).

Are Lou and Olivia boy or girl names?

Lou is primarily a boy name. Olivia is primarily a girl name.

More Comparisons

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← Full profile: Lou ← Full profile: Olivia Browse all baby names