How Many People Are Named Dyan?
An estimated 1,658 people in the United States have the first name Dyan. It is predominantly female (94.0%). The average bearer is 50 years old, and Dyan peaked in popularity in 1970 with 128 births that year.
Below you will find a full statistical profile of Dyan 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 Dyan paired with any surname.
Estimated Living Americans
1,658
About 1 in 206,728 people in the U.S.
Rarity
Rare
Predicted Gender
Female
94.0% confidence
Average Age
50
years old
Peak Year
1970
128 births
Total Registered
1,920
since 1880
Gender Distribution for Dyan
Dyan is predominantly female (94.0%), though 116 male births have been registered. It functions as a unisex name for a small percentage of bearers.
Dyan as a male name
Ranked #10,143 in 2024
7 male births in 2024
Peak: 2023 (10 births)
Dyan as a female name
Ranked #17,529 in 2011
5 female births in 2011
Peak: 1970 (128 births)
Dyan: Popularity Over Time
SSA records for Dyan span from the 1930s to the 2020s, covering 10 decades of naming data. The most popular decade for this name was the 1970s, when 656 babies were registered. Dyan has declined significantly from its peak in the 1970s. Recent registrations are a fraction of what they were at the name's height.
Dyan by Decade
How has Dyan 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.
Dyan by State
Birth registrations for Dyan span all 13 states and territories in the SSA database. The highest counts are in California, New York, Pennsylvania. The lowest are in Washington, Indiana, Wisconsin. On average, about 42 Dyans were registered per state.
Dyan + Last Name Combinations
How many people share a full name with Dyan as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Dyan
Other first names starting with D with a similar number of bearers.
Dyan: Questions and Answers
How many people in the U.S. are named Dyan?
We estimate approximately 1,658 people named Dyan 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 206,728 Americans share this first name.
Is Dyan a common name?
Dyan is classified as "Rare" and is more popular than 92.9% of all first names in the SSA database. A total of 1,920 births have been registered with this name since 1880.
When was Dyan most popular?
Dyan reached peak popularity in 1970, when 128 babies were given this name. The average age of a living person named Dyan is approximately 50 years old, reflecting when the name was most commonly given.
Is Dyan a female name?
Dyan is predominantly female. 94.0% of people with this name are female. See the gender breakdown above for full details.
How many Dyan Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Dyan Smith, Dyan Johnson, Dyan 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.
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