How Many People Are Named Rosalyn?
An estimated 15,618 people in the United States have the first name Rosalyn. It is almost exclusively a female name. The average bearer is 45 years old, and Rosalyn peaked in popularity in 1955 with 422 births that year.
Below you will find a full statistical profile of Rosalyn 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 Rosalyn paired with any surname.
Estimated Living Americans
15,618
About 1 in 21,946 people in the U.S.
Rarity
Uncommon
Predicted Gender
Female
100.0% confidence
Average Age
45
years old
Peak Year
1955
422 births
Total Registered
23,040
since 1880
Gender Distribution for Rosalyn
Rosalyn is almost exclusively a female name. Out of 23,040 total births registered, 100.0% were female.
Rosalyn as a female name
Ranked #888 in 2024
303 female births in 2024
Peak: 1955 (422 births)
Rosalyn: Popularity Over Time
SSA records for Rosalyn span from the 1890s to the 2020s, covering 14 decades of naming data. The most popular decade for this name was the 1950s, when 3,779 babies were registered. While Rosalyn is less common than at its peak in the 1950s, it remains a well-established name with steady registrations.
Rosalyn by Decade
How has Rosalyn 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.
Rosalyn by State
Birth registrations for Rosalyn span all 39 states and territories in the SSA database. The highest counts are in New York, California, Pennsylvania. The lowest are in West Virginia, South Dakota, Nevada. On average, about 457 Rosalyns were registered per state.
Rosalyn + Last Name Combinations
How many people share a full name with Rosalyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Rosalyn
Other first names starting with R with a similar number of bearers.
Rosalyn: Questions and Answers
How many people in the U.S. are named Rosalyn?
We estimate approximately 15,618 people named Rosalyn 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 21,946 Americans share this first name.
Is Rosalyn a common name?
Rosalyn is classified as "Uncommon" and is more popular than 98.3% of all first names in the SSA database. A total of 23,040 births have been registered with this name since 1880.
When was Rosalyn most popular?
Rosalyn reached peak popularity in 1955, when 422 babies were given this name. The average age of a living person named Rosalyn is approximately 45 years old, reflecting when the name was most commonly given.
Is Rosalyn a female name?
Rosalyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Rosalyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Rosalyn Smith, Rosalyn Johnson, Rosalyn 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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