How Many People Are Named Onterio?
An estimated 37 people in the United States have the first name Onterio. It is almost exclusively a male name. The average bearer is 32 years old, and Onterio peaked in popularity in 1992 with 8 births that year.
Below you will find a full statistical profile of Onterio 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 Onterio paired with any surname.
Key Insights
- Onterio is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
37
About 1 in 9,263,631 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
32
years old
Peak Year
1992
8 births
Total Registered
38
since 1880
Gender Distribution for Onterio
Onterio is almost exclusively a male name. Out of 38 total births registered, 100.0% were male.
Onterio as a male name
Ranked #8,473 in 1999
7 male births in 1999
Peak: 1992 (8 births)
Onterio: Popularity Over Time
SSA records for Onterio span from the 1980s to the 1990s, covering 2 decades of naming data. The most popular decade for this name was the 1990s, when 32 babies were registered. Onterio remains highly popular today, with recent registration numbers near its historical peak.
Onterio by Decade
How has Onterio 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.
Onterio + Last Name Combinations
How many people share a full name with Onterio as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Onterio
Other first names starting with O with a similar number of bearers.
Onterio: Questions and Answers
How many people in the U.S. are named Onterio?
We estimate approximately 37 people named Onterio 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 9,263,631 Americans share this first name.
Is Onterio a common name?
Onterio is classified as "Very Rare" and is more popular than 49.8% of all first names in the SSA database. A total of 38 births have been registered with this name since 1880.
When was Onterio most popular?
Onterio reached peak popularity in 1992, when 8 babies were given this name. The average age of a living person named Onterio is approximately 32 years old, reflecting when the name was most commonly given.
Is Onterio a male name?
Onterio is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Onterio Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Onterio Smith, Onterio Johnson, Onterio 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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