How Many People Are Named Haylie Duff?
There are approximately 1 people named Haylie Duff living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.
This estimate combines SSA birth records for the first name Haylie with Census Bureau frequency data for the surname Duff. Below you will find a breakdown of both names, including popularity trends, gender data, and ancestry information.
Estimated People with This Name
1
1 in 342,754,338 Americans
Combination Rarity
Very Rare
First Name
View full profileHaylie
Last Name
View full profileDuff
Haylie: Popularity Over Time
Year-by-year SSA birth registrations for the first name Haylie. The peak year was 2007 with 770 births. The average person named Haylie today is 21 years old.
Ancestry of the Duff Surname
Self-reported race and ethnicity breakdown for people with the surname Duff, from the 2010 U.S. Census Bureau.
How we calculated this
The first name "Haylie" has an estimated frequency of < 0.0001% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.
The surname "Duff" appears at a rate of 5.61 per 100,000 people in the 2010 U.S. Census.
Multiplying these frequencies against the U.S. population of ~343 million gives 1 estimated people. This assumes first names and last names are statistically independent. Full methodology.
Other people with the surname Duff
Haylie Duff: Questions and Answers
How many people are named Haylie Duff?
We estimate approximately 1 people named Haylie Duff are alive in the United States today. The first name Haylie is shared by 10,014 Americans, and the surname Duff is shared by 18,844.
How rare is the name Haylie Duff?
This name combination is classified as Very Rare, occurring at a rate of about 1 in 342,754,338 Americans. The first name Haylie is uncommon and the surname Duff is uncommon.
Is Haylie a male or female name?
Haylie is predominantly female, with 0.0% of bearers being male and 100.0% female. It peaked in popularity in 2007 and the average bearer today is 21 years old.
Where does this data come from?
First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. Surname data comes from the 2010 U.S. Census Bureau. Full methodology.
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