How Many People Are Named Sebastion?
An estimated 890 people in the United States have the first name Sebastion. It is almost exclusively a male name. The average bearer is 19 years old, and Sebastion peaked in popularity in 2000 with 49 births that year.
Below you will find a full statistical profile of Sebastion 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 Sebastion paired with any surname.
Estimated Living Americans
890
About 1 in 385,117 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
100.0% confidence
Average Age
19
years old
Peak Year
2000
49 births
Total Registered
917
since 1880
Gender Distribution for Sebastion
Sebastion is almost exclusively a male name. Out of 917 total births registered, 100.0% were male.
Sebastion as a male name
Ranked #5,193 in 2024
19 male births in 2024
Peak: 2000 (49 births)
Sebastion: Popularity Over Time
SSA records for Sebastion span from the 1920s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 2000s, when 369 babies were registered. While Sebastion is less common than at its peak in the 2000s, it remains a well-established name with steady registrations.
Sebastion by Decade
How has Sebastion 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.
Sebastion by State
Birth registrations for Sebastion span all 6 states and territories in the SSA database. The highest counts are in Texas, California, Pennsylvania. The lowest are in Ohio, Indiana, Florida. On average, about 13 Sebastions were registered per state.
Sebastion + Last Name Combinations
How many people share a full name with Sebastion as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Sebastion
Other first names starting with S with a similar number of bearers.
Sebastion: Questions and Answers
How many people in the U.S. are named Sebastion?
We estimate approximately 890 people named Sebastion 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 385,117 Americans share this first name.
Is Sebastion a common name?
Sebastion is classified as "Very Rare" and is more popular than 89.3% of all first names in the SSA database. A total of 917 births have been registered with this name since 1880.
When was Sebastion most popular?
Sebastion reached peak popularity in 2000, when 49 babies were given this name. The average age of a living person named Sebastion is approximately 19 years old, reflecting when the name was most commonly given.
Is Sebastion a male name?
Sebastion is predominantly male. 100.0% of people with this name are male. See the gender breakdown above for full details.
How many Sebastion Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Sebastion Smith, Sebastion Johnson, Sebastion 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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