Aileen vs Louise

Baby Name Comparison — 2026

Aileen

Girl #718 Most Popular 2 Syllables

Meaning

"bright, shining light"

Origin: Irish/Greek Helene

Cultural Roots

Irish Scottish English American

Quick Stats

Popularity Rank
#718
Total SSA Count
390
Syllables
2
Formality
Moderate
Nicknames
Ally, Lee, Leenie

Playground Safety Score

15 High Risk

{:type=>:rhyme, :severity=>:medium, :message=>"'Aileen' rhymes with 'mean'"}

Full profile for Aileen →

Louise

Girl #538 Most Popular 2 Syllables

Meaning

"famous warrior"

Origin: Germanic

Cultural Roots

French English German Scandinavian

Quick Stats

Popularity Rank
#538
Total SSA Count
559
Syllables
2
Formality
Moderate
Nicknames
Lou, Lulu

Playground Safety Score

✓ All Clear
Full profile for Louise →

Popularity Comparison

Aileen Rank #718
Louise Rank #538

Louise is more popular, ranked #538 vs #718 for Aileen.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Aileen ___

  • Aileen Rose
  • Aileen Marie
  • Aileen Grace
  • Aileen Patricia
  • Aileen Margaret
  • Aileen Frances

Louise ___

  • Louise Marie
  • Louise Anne
  • Louise Rose
  • Louise Catherine
  • Louise Grace
  • Louise Claire

Sibling Name Ideas

Names that pair well as siblings.

If you choose Aileen

Brigid Colleen Fiona Patrick Seamus

If you choose Louise

Henry Charles Alice Edmund Margaret

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 Aileen or Louise more popular?

Louise is more popular, ranked #538 compared to Aileen at #718 in the United States.

What do Aileen and Louise mean?

Aileen means "bright, shining light" (Irish/Greek Helene origin). Louise means "famous warrior" (Germanic origin).

Are Aileen and Louise boy or girl names?

Aileen is primarily a girl name. Louise is primarily a girl name.

More Comparisons

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← Full profile: Aileen ← Full profile: Louise Browse all baby names