How Many People Are Named Erma Johnson?

There are approximately 66 people named Erma Johnson living in the United States today. That makes this name combination rare, occurring at a rate of about 1 in 5,193,248 Americans.

This estimate combines SSA birth records for the first name Erma with Census Bureau frequency data for the surname Johnson. 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 5,193,248 Americans

Combination Rarity

Rare

Very Rare Very Common

First Name

Erma

Last Name

Johnson

Est. Bearers 2,130,885

Census Rank #2

Per 100K 621.69

Rarity Very Common

Erma: Popularity Over Time

Year-by-year SSA birth registrations for the first name Erma. The peak year was 1920 with 1,541 births. The average person named Erma today is 72 years old.

Male

Female

Ancestry of the First Name Erma

In the 2020 Census, the first name Erma was most commonly recorded among people who identified as White (52.14%). The next largest recorded groups were Black (31.33%) and Hispanic (11.76%).

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

White

52.14%

Black

31.33%

Hispanic

11.76%

Asian/Pacific Islander

1.92%

American Indian/Alaska Native

1.09%

Two or More Races

1.76%

Ancestry of the Johnson Surname

The surname Johnson 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 Johnson 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

56.79%

Black

33.56%

Hispanic

3.34%

Asian/Pacific Islander

0.71%

American Indian/Alaska Native

0.88%

Two or More Races

4.72%

How we calculated this

The first name "Erma" 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 "Johnson" appears at a rate of 621.69 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 Erma are likely to be alive now.

Multiplying these frequencies against the U.S. population of ~343 million gives 66 estimated people. This assumes first names and last names are statistically independent. Full methodology.

Other people named Erma

Erma Smith Erma Williams Erma Jones Erma Brown Erma Garcia

Other people with the surname Johnson

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

Erma Johnson: Questions and Answers

How many people are named Erma Johnson?

We estimate approximately 66 people named Erma Johnson are alive in the United States today. The first name Erma is shared by 10,584 Americans, and the surname Johnson is shared by 2,130,885.

How rare is the name Erma Johnson?

This name combination is classified as Rare, occurring at a rate of about 1 in 5,193,248 Americans. The first name Erma is uncommon and the surname Johnson is very common.

Is Erma a male or female name?

Erma is predominantly female, with 0.4% of bearers being male and 99.6% female. It peaked in popularity in 1920 and the average bearer today is 72 years old.

What does the Census say about the first name Erma?

In the 2020 Census, the first name Erma was most commonly recorded among people who identified as White (52.14%). The next largest recorded groups were Black (31.33%) and Hispanic (11.76%). 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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