Adelaide vs Millie

Baby Name Comparison — 2026

Adelaide

Girl #271 Most Popular 4 Syllables

Meaning

"noble kind, of noble birth"

Origin: Old High German

Cultural Roots

English French German Australian

Quick Stats

Popularity Rank
#271
Total SSA Count
1,158
Syllables
4
Formality
Formal
Nicknames
Addie, Ada, Addy

Playground Safety Score

✓ All Clear
Full profile for Adelaide →

Millie

Girl #86 Most Popular 2 Syllables

Meaning

"strength, work"

Origin: Old Germanic (diminutive of Millicent)

Cultural Roots

English American Australian

Quick Stats

Popularity Rank
#86
Total SSA Count
2,910
Syllables
2
Formality
Casual
Nicknames
Mills

Playground Safety Score

✓ All Clear
Full profile for Millie →

Popularity Comparison

Adelaide Rank #271
Millie Rank #86

Millie is more popular, ranked #86 vs #271 for Adelaide.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Adelaide ___

  • Adelaide Rose
  • Adelaide Grace
  • Adelaide Louise
  • Adelaide Marie
  • Adelaide Jane
  • Adelaide Claire

Millie ___

  • Millie Rose
  • Millie Grace
  • Millie Jane
  • Millie Mae
  • Millie Faye
  • Millie Bea

Sibling Name Ideas

Names that pair well as siblings.

If you choose Adelaide

Beatrice Josephine Edmund Frederick Eleanor

If you choose Millie

Daisy Dolly Maggie Freddie Archie

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 Adelaide or Millie more popular?

Millie is more popular, ranked #86 compared to Adelaide at #271 in the United States.

What do Adelaide and Millie mean?

Adelaide means "noble kind, of noble birth" (Old High German origin). Millie means "strength, work" (Old Germanic (diminutive of Millicent) origin).

Are Adelaide and Millie boy or girl names?

Adelaide is primarily a girl name. Millie is primarily a girl name.

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← Full profile: Adelaide ← Full profile: Millie Browse all baby names