How Many People Are Named Oluwasegun?
An estimated 17 people in the United States have the first name Oluwasegun. It is almost exclusively a male name. The average bearer is 26 years old, and Oluwasegun peaked in popularity in 1999 with 7 births that year.
Below you will find a full statistical profile of Oluwasegun 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 Oluwasegun paired with any surname.
Key Insights
- Oluwasegun is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
17
About 1 in 20,162,020 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
26
years old
Peak Year
1999
7 births
Total Registered
17
since 1880
Gender Distribution for Oluwasegun
Oluwasegun is almost exclusively a male name. Out of 17 total births registered, 100.0% were male.
Oluwasegun as a male name
Ranked #13,469 in 2006
5 male births in 2006
Peak: 1999 (7 births)
Oluwasegun: Popularity Over Time
SSA records for Oluwasegun span from the 1990s to the 2000s, covering 2 decades of naming data. The most popular decade for this name was the 1990s, when 12 babies were registered. While Oluwasegun is less common than at its peak in the 1990s, it remains a well-established name with steady registrations.
Oluwasegun by Decade
How has Oluwasegun 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.
Oluwasegun + Last Name Combinations
How many people share a full name with Oluwasegun as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Oluwasegun
Other first names starting with O with a similar number of bearers.
Oluwasegun: Questions and Answers
How many people in the U.S. are named Oluwasegun?
We estimate approximately 17 people named Oluwasegun 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 20,162,020 Americans share this first name.
Is Oluwasegun a common name?
Oluwasegun is classified as "Very Rare" and is more popular than 37.6% of all first names in the SSA database. A total of 17 births have been registered with this name since 1880.
When was Oluwasegun most popular?
Oluwasegun reached peak popularity in 1999, when 7 babies were given this name. The average age of a living person named Oluwasegun is approximately 26 years old, reflecting when the name was most commonly given.
Is Oluwasegun a male name?
Oluwasegun is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Oluwasegun Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Oluwasegun Smith, Oluwasegun Johnson, Oluwasegun 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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