How Many People Are Named Onyinyechukwu?
An estimated 23 people in the United States have the first name Onyinyechukwu. It is almost exclusively a female name. The average bearer is 12 years old, and Onyinyechukwu peaked in popularity in 2016 with 7 births that year.
Below you will find a full statistical profile of Onyinyechukwu 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 Onyinyechukwu paired with any surname.
Key Insights
- Onyinyechukwu is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
23
About 1 in 14,902,363 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
12
years old
Peak Year
2016
7 births
Total Registered
23
since 1880
Gender Distribution for Onyinyechukwu
Onyinyechukwu is almost exclusively a female name. Out of 23 total births registered, 100.0% were female.
Onyinyechukwu as a female name
Ranked #13,988 in 2016
7 female births in 2016
Peak: 2016 (7 births)
Onyinyechukwu: Popularity Over Time
SSA records for Onyinyechukwu span from the 2000s to the 2010s, covering 2 decades of naming data. The most popular decade for this name was the 2010s, when 18 babies were registered. Onyinyechukwu remains highly popular today, with recent registration numbers near its historical peak.
Onyinyechukwu by Decade
How has Onyinyechukwu 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.
Onyinyechukwu + Last Name Combinations
How many people share a full name with Onyinyechukwu as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Onyinyechukwu
Other first names starting with O with a similar number of bearers.
Onyinyechukwu: Questions and Answers
How many people in the U.S. are named Onyinyechukwu?
We estimate approximately 23 people named Onyinyechukwu 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 14,902,363 Americans share this first name.
Is Onyinyechukwu a common name?
Onyinyechukwu is classified as "Very Rare" and is more popular than 42.3% of all first names in the SSA database. A total of 23 births have been registered with this name since 1880.
When was Onyinyechukwu most popular?
Onyinyechukwu reached peak popularity in 2016, when 7 babies were given this name. The average age of a living person named Onyinyechukwu is approximately 12 years old, reflecting when the name was most commonly given.
Is Onyinyechukwu a female name?
Onyinyechukwu is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Onyinyechukwu Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Onyinyechukwu Smith, Onyinyechukwu Johnson, Onyinyechukwu 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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