How Many People Are Named Duffy?
people named Duffy are alive in the United States today (estimate)
About 1 in 800,432 people in the US has this name
Based on 643 babies named Duffy in Social Security records from 1915 to 2012, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
26 births
Trend
Last year given
⚧ Gender Distribution
Of the babies given the name Duffy, 3.3% were girls and 96.7% were boys. The share has stayed close to this since the 1950s: 3.5% of the babies were girls then and 4.3% in the 1970s.
👥 Age Distribution
The average person named Duffy alive today is about 58 years old, and 53% are between 30 and 59. Half of them were between 49 and 68 in 2025.
📈 Popularity Over Time
Duffy first appears in the records in 1915 and was given most often in 1961, to 26 babies. The last year it was given to at least 5 babies of one sex was 2012.
Babies given the name each year, 1915 to 2012
🏆 Rank History
Duffy has never been one of the 100 most popular boys' names. Its best rank was #1,775, in 1969.
| Boys | |
|---|---|
| Rank in 2025 | Not ranked |
| Best rank | #1,775 (1969) |
| Years in the top 100 | None |
| Rank in its biggest decade | #2,196 in the 1950s |
📍 State-Wise Distribution
People named Duffy alive today, by the state where they were born (estimate; state records start in 1910).
More people named Duffy were born in California than in any other state: about 3 of those alive today.
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