How Many People Are Named Duffie?
An estimated 5 people in the United States have the first name Duffie. It is used for both genders, with 85.0% male. The average bearer is 84 years old, and Duffie peaked in popularity in 1918 with 10 births that year.
Below you will find a full statistical profile of Duffie 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 Duffie paired with any surname.
Key Insights
- With an average bearer age of 84, Duffie is a vintage name most associated with earlier generations. Most living bearers were born before 1952.
- Duffie is exceptionally rare. Fewer than 100 people with this name are estimated to be alive in the U.S. today.
Estimated Living Americans
5
About 1 in 68,550,868 people in the U.S.
Rarity
Very Rare
Predicted Gender
Male
85.0% confidence
Average Age
84
years old
Peak Year
1918
10 births
Total Registered
40
since 1880
Gender Distribution for Duffie
Duffie is predominantly male (85.0%), though 6 female births have been registered. It functions as a unisex name for a small percentage of bearers.
Duffie as a male name
Ranked #3,448 in 1951
6 male births in 1951
Peak: 1918 (10 births)
Duffie as a female name
Ranked #4,053 in 1916
6 female births in 1916
Peak: 1916 (6 births)
Duffie: Popularity Over Time
SSA records for Duffie span from the 1910s to the 1950s, covering 4 decades of naming data. The most popular decade for this name was the 1910s, when 21 babies were registered. Duffie has declined significantly from its peak in the 1910s. Recent registrations are a fraction of what they were at the name's height.
Duffie by Decade
How has Duffie 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.
Duffie + Last Name Combinations
How many people share a full name with Duffie as the first name? Click a combination below to see the estimate, or search any pairing.
Names Similar to Duffie
Other first names starting with D with a similar number of bearers.
Duffie: Questions and Answers
How many people in the U.S. are named Duffie?
We estimate approximately 5 people named Duffie 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 68,550,868 Americans share this first name.
Is Duffie a common name?
Duffie is classified as "Very Rare" and is more popular than 18.2% of all first names in the SSA database. A total of 40 births have been registered with this name since 1880.
When was Duffie most popular?
Duffie reached peak popularity in 1918, when 10 babies were given this name. The average age of a living person named Duffie is approximately 84 years old, reflecting when the name was most commonly given.
Is Duffie a male name?
Duffie is predominantly male. 85.0% of people with this name are male. See the gender breakdown above for full details.
How many Duffie Smiths are there?
To find how many people share a specific full name, we combine first name and surname frequencies. Try: Duffie Smith, Duffie Johnson, Duffie 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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