How Many People Are Named Joslin?
An estimated 1,367 people in the United States have the first name Joslin. It is predominantly female (99.3%). The average bearer is 25 years old, and Joslin peaked in popularity in 2010 with 67 births that year.
Below you will find a full statistical profile of Joslin 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 Joslin paired with any surname.
Estimated Living Americans
1,367
About 1 in 250,735 people in the U.S.
Rarity
Rare
Predicted Gender
Female
99.3% confidence
Average Age
25
years old
Peak Year
2010
67 births
Total Registered
1,411
since 1880
Gender Distribution for Joslin
Joslin is almost exclusively a female name. Out of 1,411 total births registered, 99.3% were female.
Joslin as a male name
Ranked #3,722 in 1977
10 male births in 1977
Peak: 1977 (10 births)
Joslin as a female name
Ranked #14,226 in 2024
6 female births in 2024
Peak: 2010 (67 births)
Joslin: Popularity Over Time
SSA records for Joslin span from the 1950s to the 2020s, covering 8 decades of naming data. The most popular decade for this name was the 2000s, when 450 babies were registered. Joslin has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Joslin by Decade
How has Joslin 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.
Joslin by State
Birth registrations for Joslin span all 10 states and territories in the SSA database. The highest counts are in Texas, California, Indiana. The lowest are in Utah, New York, Missouri. On average, about 16 Joslins were registered per state.
Joslin + Last Name Combinations
How many people share a full name with Joslin as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Joslin
Other first names starting with J with a similar number of bearers.
Joslin: Questions and Answers
How many people in the U.S. are named Joslin?
We estimate approximately 1,367 people named Joslin 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 250,735 Americans share this first name.
Is Joslin a common name?
Joslin is classified as "Rare" and is more popular than 91.9% of all first names in the SSA database. A total of 1,411 births have been registered with this name since 1880.
When was Joslin most popular?
Joslin reached peak popularity in 2010, when 67 babies were given this name. The average age of a living person named Joslin is approximately 25 years old, reflecting when the name was most commonly given.
Is Joslin a female name?
Joslin is predominantly female. 99.3% of people with this name are female. See the gender breakdown above for full details.
How many Joslin Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Joslin Smith, Joslin Johnson, Joslin 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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