How Many People Are Named Hailley?
An estimated 445 people in the United States have the first name Hailley. It is almost exclusively a female name. The average bearer is 25 years old, and Hailley peaked in popularity in 2000 with 36 births that year.
Below you will find a full statistical profile of Hailley 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 Hailley paired with any surname.
Estimated Living Americans
445
About 1 in 770,234 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
25
years old
Peak Year
2000
36 births
Total Registered
455
since 1880
Gender Distribution for Hailley
Hailley is almost exclusively a female name. Out of 455 total births registered, 100.0% were female.
Hailley as a female name
Ranked #16,170 in 2022
5 female births in 2022
Peak: 2000 (36 births)
Hailley: Popularity Over Time
SSA records for Hailley span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2000s, when 229 babies were registered. Hailley has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Hailley by Decade
How has Hailley 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.
Hailley by State
Birth registrations for Hailley span all 3 states and territories in the SSA database. The highest counts are in New York, California, Texas. The lowest are in Texas, California, New York. On average, about 8 Hailleys were registered per state.
Hailley + Last Name Combinations
How many people share a full name with Hailley as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Hailley
Other first names starting with H with a similar number of bearers.
Hailley: Questions and Answers
How many people in the U.S. are named Hailley?
We estimate approximately 445 people named Hailley 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 770,234 Americans share this first name.
Is Hailley a common name?
Hailley is classified as "Very Rare" and is more popular than 83.4% of all first names in the SSA database. A total of 455 births have been registered with this name since 1880.
When was Hailley most popular?
Hailley reached peak popularity in 2000, when 36 babies were given this name. The average age of a living person named Hailley is approximately 25 years old, reflecting when the name was most commonly given.
Is Hailley a female name?
Hailley is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Hailley Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Hailley Smith, Hailley Johnson, Hailley 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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