How Many People Are Named Hadelyn?
An estimated 44 people in the United States have the first name Hadelyn. It is almost exclusively a female name. The average bearer is 10 years old, and Hadelyn peaked in popularity in 2017 with 9 births that year.
Below you will find a full statistical profile of Hadelyn 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 Hadelyn paired with any surname.
Key Insights
- Hadelyn is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
44
About 1 in 7,789,871 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
10
years old
Peak Year
2017
9 births
Total Registered
44
since 1880
Gender Distribution for Hadelyn
Hadelyn is almost exclusively a female name. Out of 44 total births registered, 100.0% were female.
Hadelyn as a female name
Ranked #14,182 in 2022
6 female births in 2022
Peak: 2017 (9 births)
Hadelyn: Popularity Over Time
SSA records for Hadelyn span from the 2010s to the 2020s, covering 2 decades of naming data. The most popular decade for this name was the 2010s, when 38 babies were registered. Hadelyn has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Hadelyn by Decade
How has Hadelyn 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.
Hadelyn + Last Name Combinations
How many people share a full name with Hadelyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Hadelyn
Other first names starting with H with a similar number of bearers.
Hadelyn: Questions and Answers
How many people in the U.S. are named Hadelyn?
We estimate approximately 44 people named Hadelyn 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 7,789,871 Americans share this first name.
Is Hadelyn a common name?
Hadelyn is classified as "Very Rare" and is more popular than 52.4% of all first names in the SSA database. A total of 44 births have been registered with this name since 1880.
When was Hadelyn most popular?
Hadelyn reached peak popularity in 2017, when 9 babies were given this name. The average age of a living person named Hadelyn is approximately 10 years old, reflecting when the name was most commonly given.
Is Hadelyn a female name?
Hadelyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Hadelyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Hadelyn Smith, Hadelyn Johnson, Hadelyn 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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