The first name Millie
A girl’s name.
2 syllables Female
Meaning and origin
Popularity
Babies registered in England and Wales, 1996–2025
In 2025, 1,080 girls were named Millie, making it the 36th most popular girls’ name. It peaked in 2004, with 2,421 births (#22).
Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Millie with other names.
Popularity in the United States
Babies named Millie at birth, 1880–2025
In 2025, 3,353 girls born in the United States were named Millie, the 73rd most popular girls’ name that year.
US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.
Nicknames and spellings
Other spellings and forms
Famous people named Millie
9 on Wikidata, most written-about first
- Millie BrightEnglish association football player, born 1993
- Millie Hughes-FulfordAstronaut, academic researcher (1945-2021)
- Millie PerkinsAmerican actress (born 1938)
- Millie BradyBritish actress, born 1993
- Millie GibsonEnglish actress, born 2004
- Millie CouzensBritish cyclist, born 2003
- Millie DavisCanadian actress, born 2006
- Millie TurnerEnglish association football player, born 1996
- Vincent YoumansAmerican composer (1898-1946)
Questions
- What does the name Millie mean?
- Clipping + -ie.
- How popular is the name Millie?
- In 2025, 1,080 girls born in England and Wales were named Millie, ranking 36th. Its peak was 2004, with 2,421 births.
- Is Millie a boy's or a girl's name?
- Mostly a girl's name: 100% of the 46,138 US babies named Millie since 1880 were girls.
- When was Millie most popular?
- 2025 in the United States, when 3,353 babies were named Millie, its highest rank at 73rd.
- What are other spellings of Millie?
- Milly.