Mackenzie vs Millie

Baby Name Comparison — 2026

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

Mackenzie Rank #200
Millie Rank #86

Millie is more popular, ranked #86 vs #200 for Mackenzie.

Popularity Over Time

Historical US popularity rank — lower number means more popular.

Middle Name Pairings

Mackenzie ___

  • Mackenzie Grace
  • Mackenzie Mae
  • Mackenzie Elizabeth
  • Mackenzie Rose
  • Mackenzie Brooke
  • Mackenzie Lee

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 Mackenzie

Riley Avery Carter Peyton Dylan

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 Mackenzie or Millie more popular?

Millie is more popular, ranked #86 compared to Mackenzie at #200 in the United States.

What do Mackenzie and Millie mean?

Mackenzie means "son of Kenneth" (Scottish Gaelic origin). Millie means "strength, work" (Old Germanic (diminutive of Millicent) origin).

Are Mackenzie and Millie boy or girl names?

Mackenzie is primarily a girl name. Millie is primarily a girl name.

More Comparisons

Millie vs Mackenzie Mackenzie vs Elena Mackenzie vs Lilah Mackenzie vs Maria Mackenzie vs Eliana
← Full profile: Mackenzie ← Full profile: Millie Browse all baby names