How Many People Are Named Osiah?
An estimated 290 people in the United States have the first name Osiah. It is almost exclusively a male name. The average bearer is 6 years old, and Osiah peaked in popularity in 2024 with 52 births that year.
Below you will find a full statistical profile of Osiah 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 Osiah paired with any surname.
Estimated Living Americans
290
About 1 in 1,181,912 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
6
years old
Peak Year
2024
52 births
Total Registered
292
since 1880
Gender Distribution for Osiah
Osiah is almost exclusively a male name. Out of 292 total births registered, 100.0% were male.
Osiah as a male name
Ranked #2,582 in 2024
52 male births in 2024
Peak: 2024 (52 births)
Osiah: Popularity Over Time
SSA records for Osiah span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2020s, when 187 babies were registered. Osiah remains highly popular today, with recent registration numbers near its historical peak.
Osiah by Decade
How has Osiah 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.
Osiah by State
Birth registrations for Osiah span all 3 states and territories in the SSA database. The highest counts are in New York, Texas, Florida. The lowest are in Florida, Texas, New York. On average, about 8 Osiahs were registered per state.
Osiah + Last Name Combinations
How many people share a full name with Osiah as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Osiah
Other first names starting with O with a similar number of bearers.
Osiah: Questions and Answers
How many people in the U.S. are named Osiah?
We estimate approximately 290 people named Osiah 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 1,181,912 Americans share this first name.
Is Osiah a common name?
Osiah is classified as "Very Rare" and is more popular than 78.8% of all first names in the SSA database. A total of 292 births have been registered with this name since 1880.
When was Osiah most popular?
Osiah reached peak popularity in 2024, when 52 babies were given this name. The average age of a living person named Osiah is approximately 6 years old, reflecting when the name was most commonly given.
Is Osiah a male name?
Osiah is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Osiah Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Osiah Smith, Osiah Johnson, Osiah 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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