121,430births recorded
19Countries
7Variants
2022Peak · Scotland
#7Scotland 2025
Millie is a girl name family recorded 121,430 times in 19 countries since 1880. It ranks highest today in Scotland (#7 in 2025). Its all-time peak was in Scotland in 2022, at 759.0 births per 100,000.
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
Which form wins where
Births per 100,000 newborns for each form, in the selected country.
Rank in countries that publish top lists only
All forms of Millie
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Millie | English | 46,138 | 🇺🇸 United States | #73 | 2025 | ▲ 449 % |
| Millie | English | 45,448 | 🏴 England & Wales | #36 | 2004 | ▼ 21 % |
| Millie | English | 4,735 | 🏴 Scotland | #7 | 2022 | ▲ 13 % |
| Millie | English | 2,398 | 🇮🇪 Ireland | #36 | 2022 | ▲ 55 % |
| Millie | English | 1,338 | 🇸🇪 Sweden | #92 | 2023 | ▲ 130 % |
| Millie | English | 1,021 | 🇦🇺 New South Wales | #40 | 2023 | – |
| Milly | English | 5,223 | 🏴 England & Wales | #792 | 2004 | ▼ 53 % |
| Milly | English | 3,347 | 🇺🇸 United States | #1777 | 1884 | ▲ 43 % |
| Milly | English | 544 | 🇸🇪 Sweden | #263 | 2015 | ▼ 24 % |
| Milly | English | 480 | 🇫🇷 France | #1786 | 2024 | ▶ 1 % |
| Milly | English | 408 | 🏴 Scotland | – | 2009 | – |
| Milly | English | 126 | 🇮🇪 Ireland | – | 2012 | – |
| Mylie | English | 1,982 | 🇺🇸 United States | #2895 | 2008 | ▲ 197 % |
| Mylie | English | 547 | 🏴 England & Wales | #1197 | 2009 | ▲ 107 % |
| Mylie | English | 270 | 🇫🇷 France | #2640 | 2016 | ▼ 37 % |
| Mylie | English | 76 | 🏴 Scotland | – | 2012 | – |
| Mylie | English | 65 | 🇨🇦 Québec | – | 2010 | – |
| Mylie | English | 26 | 🇨🇦 Ontario | – | 2008 | – |
| Milli | English | 454 | 🇺🇸 United States | #4265 | 2022 | ▲ 233 % |
| Milli | English | 430 | 🏴 England & Wales | – | 2003 | – |
| Milli | English | 25 | 🇸🇪 Sweden | – | 2010 | – |
| Milli | English | 19 | 🏴 Scotland | – | 2003 | – |
| Mily | French | 491 | 🇺🇸 United States | #10107 | 2008 | ▼ 10 % |
| Mily | French | 350 | 🇫🇷 France | #2197 | 2015 | ▼ 37 % |
| Mily | French | 31 | 🇦🇷 Argentina | – | 1988 | – |
| Mily | French | 5 | 🇨🇦 Québec | – | 2017 | – |
| Mili | English | 489 | 🇺🇸 United States | #6116 | 2023 | ▲ 24 % |
| Mili | English | 199 | 🏴 England & Wales | – | 2006 | – |
| Mili | English | 25 | 🇫🇷 France | – | 2013 | – |
| Mili | English | 10 | 🇦🇷 Argentina | #3212 | 2015 | – |
| Milie | French | 265 | 🇫🇷 France | #2027 | 2025 | ▲ 26 % |
| Milie | French | 44 | 🇨🇦 Québec | – | 2023 | – |
| Milie | French | 37 | 🇺🇸 United States | – | 2010 | – |
How we grouped these names
- Millie ↔ Milly — verified against linguistic sources
- Millie ↔ Mylie — spelling variant
- Millie ↔ Milie — spelling variant
- Milly ↔ Milli — spelling variant
- Milly ↔ Mily — spelling variant
- Milly ↔ Mili — spelling variant
Questions about Millie
How popular is the name Millie?
In 2025 it ranked #7 in Scotland. Official registers record 121,430 births across 19 countries.
What is Millie in other languages?
Milly (English); Mylie (English); Milli (English); Mily (French); Mili (English); Milie (French).
When was Millie most popular?
It peaked in Scotland in 2022, at 759.0 births per 100,000.
Is Millie a boy or a girl name?
In official birth registers, Millie is a girl name.