How Many People Are Named Sierrah?
An estimated 1,120 people in the United States have the first name Sierrah. It is almost exclusively a female name. The average bearer is 25 years old, and Sierrah peaked in popularity in 2001 with 81 births that year.
Below you will find a full statistical profile of Sierrah 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 Sierrah paired with any surname.
Estimated Living Americans
1,120
About 1 in 306,031 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
25
years old
Peak Year
2001
81 births
Total Registered
1,145
since 1880
Gender Distribution for Sierrah
Sierrah is almost exclusively a female name. Out of 1,145 total births registered, 100.0% were female.
Sierrah as a female name
Ranked #15,053 in 2022
6 female births in 2022
Peak: 2001 (81 births)
Sierrah: Popularity Over Time
SSA records for Sierrah span from the 1980s to the 2020s, covering 5 decades of naming data. The most popular decade for this name was the 2000s, when 521 babies were registered. Sierrah has declined significantly from its peak in the 2000s. Recent registrations are a fraction of what they were at the name's height.
Sierrah by Decade
How has Sierrah 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.
Sierrah by State
Birth registrations for Sierrah span all 10 states and territories in the SSA database. The highest counts are in California, Texas, Ohio. The lowest are in Wisconsin, Virginia, Pennsylvania. On average, about 21 Sierrahs were registered per state.
Sierrah + Last Name Combinations
How many people share a full name with Sierrah as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Sierrah
Other first names starting with S with a similar number of bearers.
Sierrah: Questions and Answers
How many people in the U.S. are named Sierrah?
We estimate approximately 1,120 people named Sierrah 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 306,031 Americans share this first name.
Is Sierrah a common name?
Sierrah is classified as "Rare" and is more popular than 90.8% of all first names in the SSA database. A total of 1,145 births have been registered with this name since 1880.
When was Sierrah most popular?
Sierrah reached peak popularity in 2001, when 81 babies were given this name. The average age of a living person named Sierrah is approximately 25 years old, reflecting when the name was most commonly given.
Is Sierrah a female name?
Sierrah is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Sierrah Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Sierrah Smith, Sierrah Johnson, Sierrah 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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