How Many People Are Named Debby?
An estimated 7,257 people in the United States have the first name Debby. It is almost exclusively a female name. The average bearer is 64 years old, and Debby peaked in popularity in 1959 with 890 births that year.
Below you will find a full statistical profile of Debby 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 Debby paired with any surname.
Estimated Living Americans
7,257
About 1 in 47,231 people in the U.S.
Rarity
Rare
Predicted Gender
Female
100.0% confidence
Average Age
64
years old
Peak Year
1959
890 births
Total Registered
9,697
since 1880
Gender Distribution for Debby
Debby is almost exclusively a female name. Out of 9,697 total births registered, 100.0% were female.
Debby as a female name
Ranked #12,058 in 2016
8 female births in 2016
Peak: 1959 (890 births)
Debby: Popularity Over Time
SSA records for Debby span from the 1920s to the 2010s, covering 10 decades of naming data. The most popular decade for this name was the 1950s, when 4,460 babies were registered. Debby has declined significantly from its peak in the 1950s. Recent registrations are a fraction of what they were at the name's height.
Debby by Decade
How has Debby 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.
Debby by State
Birth registrations for Debby span all 48 states and territories in the SSA database. The highest counts are in California, New York, Ohio. The lowest are in Wyoming, Hawaii, Vermont. On average, about 158 Debbys were registered per state.
Debby + Last Name Combinations
How many people share a full name with Debby as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Debby
Other first names starting with D with a similar number of bearers.
Debby: Questions and Answers
How many people in the U.S. are named Debby?
We estimate approximately 7,257 people named Debby 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 47,231 Americans share this first name.
Is Debby a common name?
Debby is classified as "Rare" and is more popular than 97.2% of all first names in the SSA database. A total of 9,697 births have been registered with this name since 1880.
When was Debby most popular?
Debby reached peak popularity in 1959, when 890 babies were given this name. The average age of a living person named Debby is approximately 64 years old, reflecting when the name was most commonly given.
Is Debby a female name?
Debby is predominantly female. 100.0% of people with this name are female. See the gender breakdown above for full details.
How many Debby Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Debby Smith, Debby Johnson, Debby 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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