How Many People Are Named Onesimo?
An estimated 414 people in the United States have the first name Onesimo. It is almost exclusively a male name. The average bearer is 44 years old, and Onesimo peaked in popularity in 1982 with 16 births that year.
Below you will find a full statistical profile of Onesimo 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 Onesimo paired with any surname.
Estimated Living Americans
414
About 1 in 827,909 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
44
years old
Peak Year
1982
16 births
Total Registered
594
since 1880
Gender Distribution for Onesimo
Onesimo is almost exclusively a male name. Out of 594 total births registered, 100.0% were male.
Onesimo as a male name
Ranked #10,503 in 2023
7 male births in 2023
Peak: 1982 (16 births)
Onesimo: Popularity Over Time
SSA records for Onesimo span from the 1910s to the 2020s, covering 12 decades of naming data. The most popular decade for this name was the 1980s, when 70 babies were registered. Onesimo has declined significantly from its peak in the 1980s. Recent registrations are a fraction of what they were at the name's height.
Onesimo by Decade
How has Onesimo 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.
Onesimo by State
Birth registrations for Onesimo span all 3 states and territories in the SSA database. The highest counts are in Texas, California, New Mexico. The lowest are in New Mexico, California, Texas. On average, about 65 Onesimos were registered per state.
Onesimo + Last Name Combinations
How many people share a full name with Onesimo as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Onesimo
Other first names starting with O with a similar number of bearers.
Onesimo: Questions and Answers
How many people in the U.S. are named Onesimo?
We estimate approximately 414 people named Onesimo 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 827,909 Americans share this first name.
Is Onesimo a common name?
Onesimo is classified as "Very Rare" and is more popular than 82.7% of all first names in the SSA database. A total of 594 births have been registered with this name since 1880.
When was Onesimo most popular?
Onesimo reached peak popularity in 1982, when 16 babies were given this name. The average age of a living person named Onesimo is approximately 44 years old, reflecting when the name was most commonly given.
Is Onesimo a male name?
Onesimo is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Onesimo Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Onesimo Smith, Onesimo Johnson, Onesimo 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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