How Many People Are Named Joellyn?
An estimated 616 people in the United States have the first name Joellyn. It is almost exclusively a female name. The average bearer is 62 years old, and Joellyn peaked in popularity in 1955 with 30 births that year.
Below you will find a full statistical profile of Joellyn 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 Joellyn paired with any surname.
Estimated Living Americans
616
About 1 in 556,419 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
62
years old
Peak Year
1955
30 births
Total Registered
861
since 1880
Gender Distribution for Joellyn
Joellyn is almost exclusively a female name. Out of 861 total births registered, 100.0% were female.
Joellyn as a female name
Ranked #16,160 in 2000
5 female births in 2000
Peak: 1955 (30 births)
Joellyn: Popularity Over Time
SSA records for Joellyn span from the 1930s to the 2000s, covering 8 decades of naming data. The most popular decade for this name was the 1950s, when 229 babies were registered. Joellyn has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Joellyn by Decade
How has Joellyn 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.
Joellyn by State
Birth registrations for Joellyn span all 5 states and territories in the SSA database. The highest counts are in Illinois, Michigan, Wisconsin. The lowest are in Iowa, California, Wisconsin. On average, about 28 Joellyns were registered per state.
Joellyn + Last Name Combinations
How many people share a full name with Joellyn as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Joellyn
Other first names starting with J with a similar number of bearers.
Joellyn: Questions and Answers
How many people in the U.S. are named Joellyn?
We estimate approximately 616 people named Joellyn 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 556,419 Americans share this first name.
Is Joellyn a common name?
Joellyn is classified as "Very Rare" and is more popular than 86.5% of all first names in the SSA database. A total of 861 births have been registered with this name since 1880.
When was Joellyn most popular?
Joellyn reached peak popularity in 1955, when 30 babies were given this name. The average age of a living person named Joellyn is approximately 62 years old, reflecting when the name was most commonly given.
Is Joellyn a female name?
Joellyn is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Joellyn Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Joellyn Smith, Joellyn Johnson, Joellyn 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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