Mia vs Millie

Baby Name Comparison — 2026

Mia

Girl #5 Most Popular 2 Syllables

Meaning

"mine, beloved"

Origin: Scandinavian

Cultural Roots

Italian Scandinavian Spanish

Quick Stats

Popularity Rank
#5
Total SSA Count
12,113
Syllables
2
Formality
Casual

Playground Safety Score

✓ All Clear
Full profile for Mia →

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

Mia Rank #5
Millie Rank #86

Mia is more popular, ranked #5 vs #86 for Millie.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Mia ___

  • Mia Rose
  • Mia Grace
  • Mia Jane
  • Mia Claire
  • Mia Elizabeth
  • Mia Louise

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 Mia

Liam Noah Sophia Olivia Ava

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 Mia or Millie more popular?

Mia is more popular, ranked #5 compared to Millie at #86 in the United States.

What do Mia and Millie mean?

Mia means "mine, beloved" (Scandinavian origin). Millie means "strength, work" (Old Germanic (diminutive of Millicent) origin).

Are Mia and Millie boy or girl names?

Mia is primarily a girl name. Millie is primarily a girl name.

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