How Many People Are Named Reiley Brown?

There are approximately 4 people named Reiley Brown living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 85,688,585 Americans.

This estimate combines SSA birth records for the first name Reiley 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 85,688,585 Americans

Combination Rarity

Very Rare

Very Rare Very Common

First Name

Reiley

Last Name

Brown

Est. Bearers 1,589,457

Census Rank #4

Per 100K 463.73

Rarity Very Common

Reiley: Popularity Over Time

Year-by-year SSA birth registrations for the first name Reiley. The peak year was 2007 with 58 births. The average person named Reiley today is 21 years old.

Male

Female

Ancestry of the First Name Reiley

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

White

81.43%

Black

3.25%

Hispanic

6.51%

Asian/Pacific Islander

2.10%

American Indian/Alaska Native

0.42%

Two or More Races

6.30%

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 "Reiley" 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 Reiley are likely to be alive now.

Multiplying these frequencies against the U.S. population of ~343 million gives 4 estimated people. This assumes first names and last names are statistically independent. Full methodology.

Other people named Reiley

Reiley Smith Reiley Johnson Reiley Williams Reiley Jones Reiley Garcia

Other people with the surname Brown

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

Reiley Brown: Questions and Answers

How many people are named Reiley Brown?

We estimate approximately 4 people named Reiley Brown are alive in the United States today. The first name Reiley is shared by 928 Americans, and the surname Brown is shared by 1,589,457.

How rare is the name Reiley Brown?

This name combination is classified as Very Rare, occurring at a rate of about 1 in 85,688,585 Americans. The first name Reiley is very rare and the surname Brown is very common.

Is Reiley a male or female name?

Reiley is predominantly female, with 34.4% of bearers being male and 65.6% female. It peaked in popularity in 2007 and the average bearer today is 21 years old.

What does the Census say about the first name Reiley?

In the 2020 Census, the first name Reiley was most commonly recorded among people who identified as White (81.43%). The next largest recorded groups were Hispanic (6.51%) and Two or More Races (6.30%). 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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