How Many People Are Named Siah?
An estimated 537 people in the United States have the first name Siah. It is used for both genders, with 61.9% male. The average bearer is 10 years old, and Siah peaked in popularity in 2021 with 49 births that year.
Below you will find a full statistical profile of Siah 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 Siah paired with any surname.
Estimated Living Americans
537
About 1 in 638,276 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
61.9% confidence
Average Age
10
years old
Peak Year
2021
49 births
Total Registered
541
since 1880
Gender Distribution for Siah
Siah is a genuinely unisex name, used for both males (61.9%) and females (38.1%). Out of 541 total births registered, 335 were male and 206 were female.
Siah as a male name
Ranked #4,668 in 2024
22 male births in 2024
Peak: 2021 (34 births)
Siah as a female name
Ranked #13,235 in 2024
7 female births in 2024
Peak: 2008 (16 births)
Siah: Popularity Over Time
SSA records for Siah span from the 1990s to the 2020s, covering 4 decades of naming data. The most popular decade for this name was the 2010s, when 236 babies were registered. Siah remains highly popular today, with recent registration numbers near its historical peak.
Siah by Decade
How has Siah 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.
Siah by State
Birth registrations for Siah span all 4 states and territories in the SSA database. The highest counts are in California, Florida, New York. The lowest are in Pennsylvania, New York, Florida. On average, about 8 Siahs were registered per state.
Siah + Last Name Combinations
How many people share a full name with Siah as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Siah
Other first names starting with S with a similar number of bearers.
Siah: Questions and Answers
How many people in the U.S. are named Siah?
We estimate approximately 537 people named Siah 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 638,276 Americans share this first name.
Is Siah a common name?
Siah is classified as "Very Rare" and is more popular than 85.2% of all first names in the SSA database. A total of 541 births have been registered with this name since 1880.
When was Siah most popular?
Siah reached peak popularity in 2021, when 49 babies were given this name. The average age of a living person named Siah is approximately 10 years old, reflecting when the name was most commonly given.
Is Siah a male name?
Siah is predominantly male. 61.9% of people with this name are male. See the gender breakdown above for full details.
How many Siah Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Siah Smith, Siah Johnson, Siah 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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