How Many People Are Named Milly?
people named Milly are alive in the United States today (estimate)
About 1 in 122,591 people in the US has this name
Based on 3,347 babies named Milly in Social Security records from 1884 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
129 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Diminutive of EMILIE, MILDRED and other names containing the same sound.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
Same Sound, Other Spellings
These names are pronounced like Milly in English. Counting Milly and these spellings together, about 31,659 people alive in the US have the name.
⚧ Gender Distribution
All of the babies given the name Milly in the records were girls.
👥 Age Distribution
The average person named Milly alive today is about 20 years old, and 80% are under 30. Half of them were between 6 and 22 in 2025.
📈 Popularity Over Time
Milly first appears in the records in 1884 and was given most often in 2014, to 129 babies. In 2025, 113 babies got the name.
Babies given the name each year, 1884 to 2025
🏆 Rank History
Milly has never been one of the 100 most popular girls' names. Its best rank was #714, in 1884. In 2025 it ranked #1,790.
| Girls | |
|---|---|
| Rank in 2025 | #1,790 |
| Best rank | #714 (1884) |
| Years in the top 100 | None |
| Rank in its biggest decade | #1,956 in the 2010s |
📍 State-Wise Distribution
People named Milly alive today, by the state where they were born (estimate; state records start in 1910).
More people named Milly were born in California than in any other state: about 339 of those alive today. Compared with the national rate in the same years, Milly was given 2.5 times as often in California, 2.1 times in New York and 1.9 times in Texas.
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