How Many People Are Named Oswin?
An estimated 459 people in the United States have the first name Oswin. It is used for both genders, with 78.0% male. The average bearer is 11 years old, and Oswin peaked in popularity in 2018 with 38 births that year.
Below you will find a full statistical profile of Oswin 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 Oswin paired with any surname.
Estimated Living Americans
459
About 1 in 746,741 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
78.0% confidence
Average Age
11
years old
Peak Year
2018
38 births
Total Registered
468
since 1880
Gender Distribution for Oswin
Oswin is a genuinely unisex name, used for both males (78.0%) and females (22.0%). Out of 468 total births registered, 365 were male and 103 were female.
Oswin as a male name
Ranked #3,948 in 2024
28 male births in 2024
Peak: 2018 (28 births)
Oswin as a female name
Ranked #14,719 in 2023
6 female births in 2023
Peak: 2014 (19 births)
Oswin: Popularity Over Time
SSA records for Oswin span from the 1910s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2010s, when 232 babies were registered. While Oswin is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Oswin by Decade
How has Oswin 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.
Oswin by State
Oswin + Last Name Combinations
How many people share a full name with Oswin as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Oswin
Other first names starting with O with a similar number of bearers.
Oswin: Questions and Answers
How many people in the U.S. are named Oswin?
We estimate approximately 459 people named Oswin 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 746,741 Americans share this first name.
Is Oswin a common name?
Oswin is classified as "Very Rare" and is more popular than 83.7% of all first names in the SSA database. A total of 468 births have been registered with this name since 1880.
When was Oswin most popular?
Oswin reached peak popularity in 2018, when 38 babies were given this name. The average age of a living person named Oswin is approximately 11 years old, reflecting when the name was most commonly given.
Is Oswin a male name?
Oswin is predominantly male. 78.0% of people with this name are male. See the gender breakdown above for full details.
How many Oswin Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Oswin Smith, Oswin Johnson, Oswin 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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