How Many People Are Named Kierstan?
An estimated 470 people in the United States have the first name Kierstan. It is almost exclusively a female name. The average bearer is 26 years old, and Kierstan peaked in popularity in 1998 with 31 births that year.
Below you will find a full statistical profile of Kierstan 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 Kierstan paired with any surname.
Estimated Living Americans
470
About 1 in 729,265 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
26
years old
Peak Year
1998
31 births
Total Registered
482
since 1880
Gender Distribution for Kierstan
Kierstan is almost exclusively a female name. Out of 482 total births registered, 100.0% were female.
Kierstan as a female name
Ranked #14,318 in 2020
6 female births in 2020
Peak: 1998 (31 births)
Kierstan: Popularity Over Time
SSA records for Kierstan span from the 1970s to the 2020s, covering 6 decades of naming data. The most popular decade for this name was the 1990s, when 199 babies were registered. Kierstan has declined significantly from its peak in the 1990s. Recent registrations are a fraction of what they were at the name's height.
Kierstan by Decade
How has Kierstan 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.
Kierstan by State
Kierstan + Last Name Combinations
How many people share a full name with Kierstan as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Kierstan
Other first names starting with K with a similar number of bearers.
Kierstan: Questions and Answers
How many people in the U.S. are named Kierstan?
We estimate approximately 470 people named Kierstan 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 729,265 Americans share this first name.
Is Kierstan a common name?
Kierstan is classified as "Very Rare" and is more popular than 84% of all first names in the SSA database. A total of 482 births have been registered with this name since 1880.
When was Kierstan most popular?
Kierstan reached peak popularity in 1998, when 31 babies were given this name. The average age of a living person named Kierstan is approximately 26 years old, reflecting when the name was most commonly given.
Is Kierstan a female name?
Kierstan is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Kierstan Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Kierstan Smith, Kierstan Johnson, Kierstan 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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