How Many People Are Named Diahann?
An estimated 294 people in the United States have the first name Diahann. It is almost exclusively a female name. The average bearer is 59 years old, and Diahann peaked in popularity in 1969 with 50 births that year.
Below you will find a full statistical profile of Diahann as a first name in the United States, including gender data, a year-by-year popularity timeline going back to 1880, a decade breakdown, and state-by-state birth registrations. You can also check how many people share the full name Diahann paired with any surname.
Estimated Living Americans
294
About 1 in 1,165,831 people in the U.S.
Rarity
Very Rare
Predicted Gender
Female
100.0% confidence
Average Age
59
years old
Peak Year
1969
50 births
Total Registered
354
since 1880
Gender Distribution for Diahann
Diahann is almost exclusively a female name. Out of 354 total births registered, 100.0% were female.
Diahann as a female name
Ranked #8,783 in 1986
7 female births in 1986
Peak: 1969 (50 births)
Diahann: Popularity Over Time
SSA records for Diahann span from the 1940s to the 1980s, covering 5 decades of naming data. The most popular decade for this name was the 1960s, when 181 babies were registered. Diahann has declined significantly from its peak in the 1960s. Recent registrations are a fraction of what they were at the name's height.
Diahann by Decade
How has Diahann tracked across different eras? The table below groups all SSA birth registrations into 10-year periods, with separate male and female counts. The colored bar shows each decade's share relative to the peak.
Diahann by State
Birth registrations for Diahann span all 5 states and territories in the SSA database. The highest counts are in New York, California, New Jersey. The lowest are in Pennsylvania, Ohio, New Jersey. On average, about 19 Diahanns were registered per state.
Diahann + Last Name Combinations
How many people share a full name with Diahann as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Diahann
Other first names starting with D with a similar number of bearers.
Diahann: Questions and Answers
How many people in the U.S. are named Diahann?
We estimate approximately 294 people named Diahann are alive in the United States today. This is based on SSA birth records from 1880 to 2024, adjusted for mortality using CDC life tables. About 1 in 1,165,831 Americans share this first name.
Is Diahann a common name?
Diahann is classified as "Very Rare" and is more popular than 79% of all first names in the SSA database. A total of 354 births have been registered with this name since 1880.
When was Diahann most popular?
Diahann reached peak popularity in 1969, when 50 babies were given this name. The average age of a living person named Diahann is approximately 59 years old, reflecting when the name was most commonly given.
Is Diahann a female name?
Diahann is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Diahann Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Diahann Smith, Diahann Johnson, Diahann Williams. You can also search any combination on our homepage.
Where does this data come from?
Our estimates use Social Security Administration birth records (1880 to 2024), adjusted for survival using CDC 2023 life tables broken down by sex. The U.S. population figure (342,754,338) is from the Census Bureau's July 2025 estimate. Full methodology.
Search for a full name combination
How Many of Me