How Many People Are Named Onyekachi?
An estimated 107 people in the United States have the first name Onyekachi. It is used for both genders, with 85.2% male. The average bearer is 16 years old, and Onyekachi peaked in popularity in 2017 with 12 births that year.
Below you will find a full statistical profile of Onyekachi 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 Onyekachi paired with any surname.
Estimated Living Americans
107
About 1 in 3,203,312 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
85.2% confidence
Average Age
16
years old
Peak Year
2017
12 births
Total Registered
108
since 1880
Gender Distribution for Onyekachi
Onyekachi is predominantly male (85.2%), though 16 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Onyekachi as a male name
Ranked #9,314 in 2020
8 male births in 2020
Peak: 2012 (10 births)
Onyekachi as a female name
Ranked #17,791 in 2017
5 female births in 2017
Peak: 1997 (6 births)
Onyekachi: Popularity Over Time
SSA records for Onyekachi span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2010s, when 53 babies were registered. Onyekachi has declined significantly from its peak in the 2010s. Recent registrations are a fraction of what they were at the name's height.
Onyekachi by Decade
How has Onyekachi 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.
Onyekachi + Last Name Combinations
How many people share a full name with Onyekachi as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Onyekachi
Other first names starting with O with a similar number of bearers.
Onyekachi: Questions and Answers
How many people in the U.S. are named Onyekachi?
We estimate approximately 107 people named Onyekachi 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 3,203,312 Americans share this first name.
Is Onyekachi a common name?
Onyekachi is classified as "Very Rare" and is more popular than 65.5% of all first names in the SSA database. A total of 108 births have been registered with this name since 1880.
When was Onyekachi most popular?
Onyekachi reached peak popularity in 2017, when 12 babies were given this name. The average age of a living person named Onyekachi is approximately 16 years old, reflecting when the name was most commonly given.
Is Onyekachi a male name?
Onyekachi is predominantly male. 85.2% of people with this name are male. See the gender breakdown above for full details.
How many Onyekachi Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Onyekachi Smith, Onyekachi Johnson, Onyekachi 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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