How Many People Are Named Sion?
An estimated 813 people in the United States have the first name Sion. It is used for both genders, with 89.9% male. The average bearer is 17 years old, and Sion peaked in popularity in 2022 with 48 births that year.
Below you will find a full statistical profile of Sion 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 Sion paired with any surname.
Estimated Living Americans
813
About 1 in 421,592 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
89.9% confidence
Average Age
17
years old
Peak Year
2022
48 births
Total Registered
841
since 1880
Gender Distribution for Sion
Sion is predominantly male (89.9%), though 85 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Sion as a male name
Ranked #3,668 in 2024
31 male births in 2024
Peak: 2022 (43 births)
Sion as a female name
Ranked #17,294 in 2024
5 female births in 2024
Peak: 2008 (12 births)
Sion: Popularity Over Time
SSA records for Sion span from the 1910s to the 2020s, covering 9 decades of naming data. The most popular decade for this name was the 2010s, when 255 babies were registered. While Sion is less common than at its peak in the 2010s, it remains a well-established name with steady registrations.
Sion by Decade
How has Sion 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.
Sion by State
Birth registrations for Sion span all 5 states and territories in the SSA database. The highest counts are in New York, California, Georgia. The lowest are in Texas, Florida, Georgia. On average, about 14 Sions were registered per state.
Sion + Last Name Combinations
How many people share a full name with Sion as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Sion
Other first names starting with S with a similar number of bearers.
Sion: Questions and Answers
How many people in the U.S. are named Sion?
We estimate approximately 813 people named Sion 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 421,592 Americans share this first name.
Is Sion a common name?
Sion is classified as "Very Rare" and is more popular than 88.7% of all first names in the SSA database. A total of 841 births have been registered with this name since 1880.
When was Sion most popular?
Sion reached peak popularity in 2022, when 48 babies were given this name. The average age of a living person named Sion is approximately 17 years old, reflecting when the name was most commonly given.
Is Sion a male name?
Sion is predominantly male. 89.9% of people with this name are male. See the gender breakdown above for full details.
How many Sion Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Sion Smith, Sion Johnson, Sion 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.
Search for a full name combination
How Many of Me