How Many People Are Named Mily?
An estimated 474 people in the United States have the first name Mily. It is almost exclusively a female name. The average bearer is 17 years old, and Mily peaked in popularity in 2008 with 47 births that year.
Below you will find a full statistical profile of Mily as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Mily paired with any surname.
Estimated Living Americans
474
About 1 in 723,110 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
17
years old
Peak Year
2008
47 births
Total Registered
482
since 1880
Gender Distribution for Mily
Mily is almost exclusively a female name. Out of 482 total births registered, 100.0% were female.
Mily as a female name
Ranked #9,991 in 2024
10 female births in 2024
Peak: 2008 (47 births)
Mily: Popularity Over Time
SSA records for Mily span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2010s, when 193 babies were registered. While Mily is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Mily by Decade
How has Mily tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Mily by State
Birth registrations for Mily span all 4 states and territories in the SSA database. The highest counts are in California, Texas, Florida. The lowest are in Illinois, Florida, Texas. On average, about 26 Milys were registered per state.
Mily + Last Name Combinations
How many people share a full name with Mily as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Mily
Other first names starting with M with a similar number of bearers.
Mily: Questions and Answers
How many people in the U.S. are named Mily?
We estimate approximately 474 people named Mily are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 723,110 Americans share this first name.
Is Mily a common name?
Mily is classified as "Very Rare" and is more popular than 84.1% of all first names in the SSA database. A total of 482 births have been registered with this name since 1880.
When was Mily most popular?
Mily reached peak popularity in 2008, when 47 babies were given this name. The average age of a living person named Mily is approximately 17 years old, reflecting when the name was most commonly given.
Is Mily a female name?
Mily is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Mily Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Mily Smith, Mily Johnson, Mily Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
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