How Many People Are Named Osias?
An estimated 388 people in the United States have the first name Osias. It is almost exclusively a male name. The average bearer is 10 years old, and Osias peaked in popularity in 2016 with 37 births that year.
Below you will find a full statistical profile of Osias 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 Osias paired with any surname.
Estimated Living Americans
388
About 1 in 883,387 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
10
years old
Peak Year
2016
37 births
Total Registered
391
since 1880
Gender Distribution for Osias
Osias is almost exclusively a male name. Out of 391 total births registered, 100.0% were male.
Osias as a male name
Ranked #4,146 in 2024
26 male births in 2024
Peak: 2016 (37 births)
Osias: Popularity Over Time
SSA records for Osias span from the 2000s to the 2020s, covering 3 decades of naming data. The most popular decade for this name was the 2010s, when 217 babies were registered. While Osias is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Osias by Decade
How has Osias 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.
Osias by State
Osias + Last Name Combinations
How many people share a full name with Osias as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Osias
Other first names starting with O with a similar number of bearers.
Osias: Questions and Answers
How many people in the U.S. are named Osias?
We estimate approximately 388 people named Osias 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 883,387 Americans share this first name.
Is Osias a common name?
Osias is classified as "Very Rare" and is more popular than 82% of all first names in the SSA database. A total of 391 births have been registered with this name since 1880.
When was Osias most popular?
Osias reached peak popularity in 2016, when 37 babies were given this name. The average age of a living person named Osias is approximately 10 years old, reflecting when the name was most commonly given.
Is Osias a male name?
Osias is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Osias Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Osias Smith, Osias Johnson, Osias 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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