How Many People Are Named Harolyn?
An estimated 346 people in the United States have the first name Harolyn. It is almost exclusively a female name. The average bearer is 70 years old, and Harolyn peaked in popularity in 1945 with 45 births that year.
Below you will find a full statistical profile of Harolyn 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 Harolyn paired with any surname.
Key Insights
- With an average bearer age of 70, Harolyn is a vintage name most associated with earlier generations. Most living bearers were born before 1966.
Estimated Living Americans
346
About 1 in 990,619 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
70
years old
Peak Year
1945
45 births
Total Registered
577
since 1880
Gender Distribution for Harolyn
Harolyn is almost exclusively a female name. Out of 577 total births registered, 100.0% were female.
Harolyn as a female name
Ranked #9,383 in 1979
6 female births in 1979
Peak: 1945 (45 births)
Harolyn: Popularity Over Time
SSA records for Harolyn span from the 1930s to the 1970s, covering 5 decades of naming data. The most popular decade for this name was the 1940s, when 173 babies were registered. Harolyn has declined significantly from its peak in the 1940s. Recent registrations are a fraction of what they were at the name's height.
Harolyn by Decade
How has Harolyn 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.
Harolyn by State
Harolyn + Last Name Combinations
How many people share a full name with Harolyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Harolyn
Other first names starting with H with a similar number of bearers.
Harolyn: Questions and Answers
How many people in the U.S. are named Harolyn?
We estimate approximately 346 people named Harolyn 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 990,619 Americans share this first name.
Is Harolyn a common name?
Harolyn is classified as "Very Rare" and is more popular than 80.7% of all first names in the SSA database. A total of 577 births have been registered with this name since 1880.
When was Harolyn most popular?
Harolyn reached peak popularity in 1945, when 45 babies were given this name. The average age of a living person named Harolyn is approximately 70 years old, reflecting when the name was most commonly given.
Is Harolyn a female name?
Harolyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Harolyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Harolyn Smith, Harolyn Johnson, Harolyn 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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