How Many People Are Named Owain?
An estimated 142 people in the United States have the first name Owain. It is almost exclusively a male name. The average bearer is 17 years old, and Owain peaked in popularity in 2008 with 16 births that year.
Below you will find a full statistical profile of Owain 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 Owain paired with any surname.
Estimated Living Americans
142
About 1 in 2,413,763 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
17
years old
Peak Year
2008
16 births
Total Registered
144
since 1880
Gender Distribution for Owain
Owain is almost exclusively a male name. Out of 144 total births registered, 100.0% were male.
Owain as a male name
Ranked #13,536 in 2020
5 male births in 2020
Peak: 2008 (16 births)
Owain: Popularity Over Time
SSA records for Owain span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2010s, when 66 babies were registered. Owain has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Owain by Decade
How has Owain 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.
Owain + Last Name Combinations
How many people share a full name with Owain as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Owain
Other first names starting with O with a similar number of bearers.
Owain: Questions and Answers
How many people in the U.S. are named Owain?
We estimate approximately 142 people named Owain 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 2,413,763 Americans share this first name.
Is Owain a common name?
Owain is classified as "Very Rare" and is more popular than 69.5% of all first names in the SSA database. A total of 144 births have been registered with this name since 1880.
When was Owain most popular?
Owain reached peak popularity in 2008, when 16 babies were given this name. The average age of a living person named Owain is approximately 17 years old, reflecting when the name was most commonly given.
Is Owain a male name?
Owain is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Owain Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Owain Smith, Owain Johnson, Owain 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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