How Many People Are Named Kiersten Williams?

There are approximately 75 people named Kiersten Williams living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 4,570,058 Americans.

This estimate combines SSA birth records for the first name Kiersten with Census Bureau frequency data for the surname Williams. Below you will find a breakdown of both names, including popularity trends, gender data, and Census background data where it is available.

Estimated People with This Name

75

1 in 4,570,058 Americans

Combination Rarity

Rare

Very Rare Very Common

Kiersten: Popularity Over Time

Year-by-year SSA birth registrations for the first name Kiersten. The peak year was 2005 with 662 births. The average person named Kiersten today is 27 years old.

Male
Female
0 132 265 397 530 662 1970 1980 1990 2000 2010 2020

Ancestry of the First Name Kiersten

In the 2020 Census, the first name Kiersten was most commonly recorded among people who identified as White (78.77%). The next largest recorded groups were Black (9.78%) and Hispanic (4.83%).

These percentages describe the people who had the first name Kiersten in the 2020 Census. They do not tell you the deeper origin or meaning of the name itself.

Read this as a snapshot of who already had the name in 2020, not as a trend line. The SSA chart above is still the better way to see how Kiersten rose or fell over time.

White
78.77%
Black
9.78%
Hispanic
4.83%
Asian/Pacific Islander
1.23%
American Indian/Alaska Native
0.69%
Two or More Races
4.71%

Ancestry of the Williams Surname

The surname Williams was most commonly recorded among people who identified as Black in the 2020 Census.

This is a self-reported race and ethnicity breakdown for people who had the surname Williams in the published Census surname tables. It gives useful context around who was recorded with the name, but it does not tell the full family history of every Boone line.

White
43.82%
Black
46.22%
Hispanic
3.50%
Asian/Pacific Islander
0.59%
American Indian/Alaska Native
0.78%
Two or More Races
5.08%

How we calculated this

The first name "Kiersten" has an estimated frequency of < 0.0001% among living Americans, based on SSA birth records from 1880 to 2024 adjusted for mortality using CDC 2023 life tables.

The surname "Williams" appears at a rate of 522.38 per 100,000 people in the 2020 U.S. Census.

We do not use the Census first-name snapshot for the main estimate because it is only published once every 10 years. The latest public first-name Census file is from 2020, which is already 6 years old. SSA birth records plus CDC survival data give a better current estimate of how many people with the first name Kiersten are likely to be alive now.

Multiplying these frequencies against the U.S. population of ~343 million gives 75 estimated people. This assumes first names and last names are statistically independent. Full methodology.

Kiersten Williams: Questions and Answers

How many people are named Kiersten Williams?

We estimate approximately 75 people named Kiersten Williams are alive in the United States today. The first name Kiersten is shared by 14,348 Americans, and the surname Williams is shared by 1,790,492.

How rare is the name Kiersten Williams?

This name combination is classified as Rare, occurring at a rate of about 1 in 4,570,058 Americans. The first name Kiersten is uncommon and the surname Williams is very common.

Is Kiersten a male or female name?

Kiersten is predominantly female, with 0.0% of bearers being male and 100.0% female. It peaked in popularity in 2005 and the average bearer today is 27 years old.

What does the Census say about the first name Kiersten?

In the 2020 Census, the first name Kiersten was most commonly recorded among people who identified as White (78.77%). The next largest recorded groups were Black (9.78%) and Hispanic (4.83%). These percentages describe the people who had the name in the 2020 Census, not the deeper origin of the name itself.

Where does this data come from?

First name data comes from the Social Security Administration (1880 to 2024), adjusted for survival using CDC 2023 life tables. When available, first-name Census background data comes from the 2020 U.S. Census Bureau first-name tables. Surname data comes from the 2020 U.S. Census Bureau. Full methodology.

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