Millie
How to say it: MIL-ee · /ˈmɪli/
Diminutive of Millicent (Old German: 'strong in work') or Camilla (Latin: 'attendant at a shrine').
Millie was the 83rd most popular girls’ name in the United States in 2025, given to 3,353 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up 4.2-fold in ten years, and it is projected to rise to #21 by 2030.
Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures
Key facts
| Rank among girls’ names, 2025 | #83 |
|---|---|
| Babies born in 2025 | 3,353 |
| Share of births | 1 in 925 |
| Peak decade | 2020s |
| Change over 10 years | ×4.2 |
| Projected rank for 2030 (estimate) | #21 |
| In France, 2025 | #567 among girls’ names, 45 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
This decade marks the best so far for Millie in the 2020s, and it keeps climbing. It holds at its peak with more growth expected soon.
What goes with it
Light soft sounds give Millie, now #83, a gentle charm in few syllables. Maisie matches its sweet vintage style.
Middle names that flow with Millie →
Nicknames
- Mil
- Mills
Honouring a Millie in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Millie is about 1 in 39.
Around the world
This spelling is used in Danish, English, French, Norwegian, Swedish.
In France: #567 for girls in 2025.
England and Wales: #36. Ireland: #36.
Famous people named Millie
- Millie Bright (born 1993)English association football player
- Millie Perkins (born 1938)American actress
- Millie Hughes-Fulford (1945–2021)Astronaut, academic researcher
From Wikidata and Wikipedia
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