How Many People Are Named Hadlee?
An estimated 4,936 people in the United States have the first name Hadlee. It is predominantly female (99.5%). The average bearer is 10 years old, and Hadlee peaked in popularity in 2016 with 403 births that year.
Below you will find a full statistical profile of Hadlee 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 Hadlee paired with any surname.
Key Insights
- Hadlee is a modern name. With an average bearer age of just 10, it has gained most of its popularity in recent years.
Estimated Living Americans
4,936
About 1 in 69,440 people in the U.S.
Rarity
Rare
Predicted Gender
Female
99.5% confidence
Average Age
10
years old
Peak Year
2016
403 births
Total Registered
4,974
since 1880
Gender Distribution for Hadlee
Hadlee is almost exclusively a female name. Out of 4,974 total births registered, 99.5% were female.
Hadlee as a male name
Ranked #9,917 in 2020
7 male births in 2020
Peak: 2016 (7 births)
Hadlee as a female name
Ranked #940 in 2024
280 female births in 2024
Peak: 2016 (396 births)
Hadlee: Popularity Over Time
SSA records for Hadlee span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2010s, when 2,795 babies were registered. While Hadlee is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Hadlee by Decade
How has Hadlee 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.
Hadlee by State
Birth registrations for Hadlee span all 38 states and territories in the SSA database. The highest counts are in Texas, Utah, Oklahoma. The lowest are in Montana, Maine, North Dakota. On average, about 104 Hadlees were registered per state.
Hadlee + Last Name Combinations
How many people share a full name with Hadlee as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Hadlee
Other first names starting with H with a similar number of bearers.
Hadlee: Questions and Answers
How many people in the U.S. are named Hadlee?
We estimate approximately 4,936 people named Hadlee 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 69,440 Americans share this first name.
Is Hadlee a common name?
Hadlee is classified as "Rare" and is more popular than 96.5% of all first names in the SSA database. A total of 4,974 births have been registered with this name since 1880.
When was Hadlee most popular?
Hadlee reached peak popularity in 2016, when 403 babies were given this name. The average age of a living person named Hadlee is approximately 10 years old, reflecting when the name was most commonly given.
Is Hadlee a female name?
Hadlee is predominantly female. 99.5% of people with this name are female. See the gender breakdown above for full details.
How many Hadlee Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Hadlee Smith, Hadlee Johnson, Hadlee 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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