How Many People Are Named Sidnee Brown?

There are approximately 3 people named Sidnee Brown living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 114,251,446 Americans.

This estimate combines SSA birth records for the first name Sidnee with Census Bureau frequency data for the surname Brown. 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

1 in 114,251,446 Americans

Combination Rarity

Very Rare

Very Rare Very Common

First Name

Sidnee

Last Name

Brown

Est. Bearers 1,589,457

Census Rank #4

Per 100K 463.73

Rarity Very Common

Sidnee: Popularity Over Time

Year-by-year SSA birth registrations for the first name Sidnee. The peak year was 1999 with 39 births. The average person named Sidnee today is 25 years old.

Ancestry of the First Name Sidnee

In the 2020 Census, the first name Sidnee was most commonly recorded among people who identified as White (62.06%). The next largest recorded groups were Black (18.59%) and Hispanic (9.22%).

These percentages describe the people who had the first name Sidnee 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 Sidnee rose or fell over time.

White

62.06%

Black

18.59%

Hispanic

9.22%

Asian/Pacific Islander

2.15%

American Indian/Alaska Native

1.54%

Two or More Races

6.45%

Ancestry of the Brown Surname

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

This is a self-reported race and ethnicity breakdown for people who had the surname Brown 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

55.43%

Black

34.68%

Hispanic

3.55%

Asian/Pacific Islander

0.66%

American Indian/Alaska Native

0.85%

Two or More Races

4.83%

How we calculated this

The first name "Sidnee" 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 "Brown" appears at a rate of 463.73 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 Sidnee are likely to be alive now.

Multiplying these frequencies against the U.S. population of ~343 million gives 3 estimated people. This assumes first names and last names are statistically independent. Full methodology.

Other people named Sidnee

Sidnee Smith Sidnee Johnson Sidnee Williams Sidnee Jones Sidnee Garcia

Other people with the surname Brown

Michael Brown James Brown John Brown David Brown Robert Brown William Brown Christopher Brown Joseph Brown

Sidnee Brown: Questions and Answers

How many people are named Sidnee Brown?

We estimate approximately 3 people named Sidnee Brown are alive in the United States today. The first name Sidnee is shared by 614 Americans, and the surname Brown is shared by 1,589,457.

How rare is the name Sidnee Brown?

This name combination is classified as Very Rare, occurring at a rate of about 1 in 114,251,446 Americans. The first name Sidnee is very rare and the surname Brown is very common.

Is Sidnee a male or female name?

Sidnee is predominantly female, with 0.0% of bearers being male and 100.0% female. It peaked in popularity in 1999 and the average bearer today is 25 years old.

What does the Census say about the first name Sidnee?

In the 2020 Census, the first name Sidnee was most commonly recorded among people who identified as White (62.06%). The next largest recorded groups were Black (18.59%) and Hispanic (9.22%). 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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