How Many People Are Named Onyxx?
An estimated 117 people in the United States have the first name Onyxx. It is used for both genders, with 86.4% male. The average bearer is 4 years old, and Onyxx peaked in popularity in 2023 with 33 births that year.
Below you will find a full statistical profile of Onyxx 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 Onyxx paired with any surname.
Estimated Living Americans
117
About 1 in 2,929,524 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
86.4% confidence
Average Age
4
years old
Peak Year
2023
33 births
Total Registered
118
since 1880
Gender Distribution for Onyxx
Onyxx is predominantly male (86.4%), though 16 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Onyxx as a male name
Ranked #7,116 in 2024
12 male births in 2024
Peak: 2023 (27 births)
Onyxx as a female name
Ranked #14,715 in 2023
6 female births in 2023
Peak: 2023 (6 births)
Onyxx: Popularity Over Time
SSA records for Onyxx span from the 2010s to the 2020s, covering 2 decades of naming data. The most popular decade for this name was the 2020s, when 102 babies were registered. Onyxx remains highly popular today, with recent registration numbers near its historical peak.
Onyxx by Decade
How has Onyxx 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.
Onyxx + Last Name Combinations
How many people share a full name with Onyxx as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Onyxx
Other first names starting with O with a similar number of bearers.
Onyxx: Questions and Answers
How many people in the U.S. are named Onyxx?
We estimate approximately 117 people named Onyxx 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 2,929,524 Americans share this first name.
Is Onyxx a common name?
Onyxx is classified as "Very Rare" and is more popular than 66.8% of all first names in the SSA database. A total of 118 births have been registered with this name since 1880.
When was Onyxx most popular?
Onyxx reached peak popularity in 2023, when 33 babies were given this name. The average age of a living person named Onyxx is approximately 4 years old, reflecting when the name was most commonly given.
Is Onyxx a male name?
Onyxx is predominantly male. 86.4% of people with this name are male. See the gender breakdown above for full details.
How many Onyxx Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Onyxx Smith, Onyxx Johnson, Onyxx 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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