Hailey vs Millie

Baby Name Comparison — 2026

Hailey

Girl #100 Most Popular 2 Syllables

Meaning

"hay meadow, hay clearing"

Origin: Old English place name (haeg + leah)

Cultural Roots

English American Australian

Quick Stats

Popularity Rank
#100
Total SSA Count
2,620
Syllables
2
Formality
Casual
Nicknames
Hails

Playground Safety Score

✓ All Clear
Full profile for Hailey →

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

Hailey Rank #100
Millie Rank #86

Millie is more popular, ranked #86 vs #100 for Hailey.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Hailey ___

  • Hailey Grace
  • Hailey Rose
  • Hailey Ann
  • Hailey Marie
  • Hailey Elizabeth
  • Hailey Jean

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 Hailey

Kaylee Ashley Taylor Brooke Megan

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 Hailey or Millie more popular?

Millie is more popular, ranked #86 compared to Hailey at #100 in the United States.

What do Hailey and Millie mean?

Hailey means "hay meadow, hay clearing" (Old English place name (haeg + leah) origin). Millie means "strength, work" (Old Germanic (diminutive of Millicent) origin).

Are Hailey and Millie boy or girl names?

Hailey is primarily a girl name. Millie is primarily a girl name.

More Comparisons

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