Milley
- US rank
- #14,942
- Syllables
- 2
- Peak
- #8,109 in 2008
5 babies were named Milley in the US in 2025.
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US births per million girls, 2007–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Milley you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 322,581 baby girls born in the US in 2025 was named Milley, 5 babies in all. In a typical school of 500 kids, your Milley would very likely be the only one.
- HistoryMilley first shows up in US birth records in 2007, the first year at least 5 babies got it. That makes it a fairly new name, younger than many of today's parents.
- Best yearIts best year was 2008, when it reached #8,109.
- New on the sceneMilley wasn't given to enough babies to be counted in 2000. It only took off after 2007.
About the name Milley
Milley is a girl name of English origin. It has 6 letters and 2 syllables, starting with M and ending in “-ley”. US birth records list Milley for girls from 2007 to 2025, in 11 of those 19 years. Its best year was 2008, when it ranked #8,109 among girl names. In 2025 it ranked #14,942, with 5 babies.
Origin:English names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 2000s | 5.5 | 181,818 girls |
| 2010s | 2.2 | 450,450 girls |
| 2020s | 1.2 | 810,811 girls |
Other spellings of Milley
More English girl names
- Girl name: Olivia · olive tree
- Girl name: Charlotte · free
- Unisex name: Harper · harp player
- Girl name: Elizabeth · God is my oath
- Girl name: Lily · lily flower
- Girl name: Lucy · light
- Girl name: Lainey · possibly light
- Girl name: Scarlett · scarlet red
Questions about the name Milley
What is the origin of the name Milley?
Milley has English roots in our records. Other English names include Olivia, Charlotte, Harper.
Is Milley a boy or girl name?
Milley is a girl name.
How popular is the name Milley?
Milley ranked #14,942 for US girls in 2025, given to 5 babies. Its best year was 2008 (#8,109).