How Many People Are Named Hallie Grimsby?

There are approximately 1 people named Hallie Grimsby living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 342,754,338 Americans.

This estimate combines SSA birth records for the first name Hallie with Census Bureau frequency data for the surname Grimsby. 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 342,754,338 Americans

Combination Rarity

Very Rare

Very Rare Very Common

First Name

Hallie

Last Name

Grimsby

Hallie: Popularity Over Time

Year-by-year SSA birth registrations for the first name Hallie. The peak year was 2024 with 1,982 births. The average person named Hallie today is 22 years old.

Male

Female

Ancestry of the First Name Hallie

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

White

85.81%

Black

3.71%

Hispanic

4.33%

Asian/Pacific Islander

1.34%

American Indian/Alaska Native

0.73%

Two or More Races

4.09%

Ancestry of the Grimsby Surname

The surname Grimsby 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 Grimsby 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

91.53%

Black

1.59%

Hispanic

2.12%

Asian/Pacific Islander

1.59%

Two or More Races

3.17%

How we calculated this

The first name "Hallie" 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 "Grimsby" appears at a rate of 0.06 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 Hallie are likely to be alive now.

Multiplying these frequencies against the U.S. population of ~343 million gives 1 estimated people. This assumes first names and last names are statistically independent. Full methodology.

Other people named Hallie

Hallie Smith Hallie Johnson Hallie Williams Hallie Jones Hallie Brown Hallie Garcia

Other people with the surname Grimsby

Robert Grimsby David Grimsby James Grimsby Michael Grimsby John Grimsby William Grimsby

Hallie Grimsby: Questions and Answers

How many people are named Hallie Grimsby?

We estimate approximately 1 people named Hallie Grimsby are alive in the United States today. The first name Hallie is shared by 28,678 Americans, and the surname Grimsby is shared by 217.

How rare is the name Hallie Grimsby?

This name combination is classified as Very Rare, occurring at a rate of about 1 in 342,754,338 Americans. The first name Hallie is uncommon and the surname Grimsby is very rare.

Is Hallie a male or female name?

Hallie is predominantly female, with 3.4% of bearers being male and 96.6% female. It peaked in popularity in 2024 and the average bearer today is 22 years old.

What does the Census say about the first name Hallie?

In the 2020 Census, the first name Hallie was most commonly recorded among people who identified as White (85.81%). The next largest recorded groups were Hispanic (4.33%) and Two or More Races (4.09%). 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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