NameCensus.
Very Rare

Dorothy Mann

There are approximately 57 people named Dorothy Mann living in the United States today. That makes this name combination very rare, occurring at a rate of about 1 in 6,013,234 Americans.

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

Expected bearers

57

1 in 6,013,234

Named Dorothy

208K

Alive today

Named Mann

95K

Alive today

US population

343M

Denominator

The first name Dorothy

Estimated living: 208K

Rarity: Common

Gender: Female

Peak year: 1924

Average age: 72

Top Census group: White (74.4%)

The surname Mann

Estimated bearers: 95K

Rarity: Uncommon

Census rank: #381

Per 100K: 27.59

Top ancestry: White (76.7%)

First name trend

Dorothy: popularity over time

Year-by-year SSA birth registrations for the first name Dorothy. The peak year was 1924 with 40,097 births. The average person named Dorothy today is 72 years old.

Babies born per year

MaleFemale
010K20K30K40K18801900192019401960198020002020

Demographics

Ancestry and ethnicity for Dorothy

Self-reported race and ethnicity breakdown for people with the first name Dorothy, from the 2020 US Census Bureau first-name tables. The largest published group is White at 74.4%.

The bar chart below shows how people with the first name Dorothy described their own race and ethnicity on the 2020 Census form. These are self-reported numbers, and they describe the population who happened to carry the name Dorothy at the time of the Census. A first name does not determine a person's race or ethnicity.

  • White74.4% · 227,011
  • Black or African American19.7% · 60,099
  • Hispanic or Latino2.2% · 6,688
  • Two or more races1.8% · 5,536
  • Asian and Pacific Islander1.3% · 3,874
  • American Indian and Alaska Native0.6% · 1,726

Ethnicity

Ancestry of the Mann surname

Self-reported race and ethnicity breakdown for people with the surname Mann, from the 2020 US Census Bureau. The largest group is White at 76.7%.

The bar chart below shows how people with the surname Mann described their own race and ethnicity on the 2020 Census form. These are self-reported numbers, and they describe the population who happened to carry the surname Mann at the time of the Census. A surname does not determine a person's race or ethnicity.

  • White76.7% · 63,273
  • Black or African American9.6% · 7,952
  • Asian and Pacific Islander4.8% · 3,974
  • Two or more races4.1% · 3,341
  • Hispanic or Latino3.6% · 2,980
  • American Indian and Alaska Native1.2% · 959

Methodology

How we calculated this

The first name Dorothy has a living-bearer frequency of 0.0608% of the US population, based on 208,282 estimated living Americans carrying this first name (from SSA birth records going back to 1880, adjusted for mortality using CDC life tables).

Even though the Census Bureau now publishes first-name tables, we do not use that file as the main first-name input for this estimate. The latest first-name Census snapshot is from 2020, which makes it 6 years old today. Because Census first-name data is only released once every 10 years, SSA birth records plus CDC survival rates give a better current estimate of how many people are likely alive with the name Dorothy right now.

The surname Mann appears at a rate of 27.59 per 100,000 residents in the 2020 Census Bureau surname file, which translates to a frequency of 0.0276%.

Multiplying these two independent frequencies against the current US population of 342,754,338 gives an expected count of approximately 57 people with the full name Dorothy Mann. This assumes statistical independence between first and last names, which is a simplification but produces reasonable estimates for most combinations.

Read the full methodology.

Related

Other people named Dorothy

Related

Other people with the surname Mann

FAQ

Dorothy Mann: questions and answers

How many people are named Dorothy Mann?

We estimate approximately 57 people in the United States share the full name Dorothy Mann. That works out to about 1 in 6,013,234 Americans. This is calculated by combining the first-name frequency (0.0608%) with the surname frequency (27.59 per 100K) against the current US population.

How rare is the name Dorothy Mann?

We classify Dorothy Mann as "Very Rare". About 1 in 6,013,234 Americans share this exact first and last name combination.

Is Dorothy a male or female name?

Dorothy is predominantly female. Out of 1,115,156 total SSA registrations, 0.3% were male and 99.7% were female. See the full Dorothy profile for detailed gender data.

Where does this data come from?

First-name data comes from the Social Security Administration's national baby name files (1880 to 2024). Surname data comes from the 2020 US Census Bureau decennial surname tables. Living-bearer estimates use CDC actuarial life tables to adjust for mortality. Read the full methodology.

How many people share the full name Dorothy Mann?

HowManyOfMe.org, our sister site, answers that with the living-bearer count in one glance.

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Dorothy Mann

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