The Duffner surname
In the 2010 U.S. Census, 498 people carried this name — #43,369 among all U.S. surnames, about 1 in every 588,200 people counted. That is up 12% from 446 in 2000.
In France’s civil register
France’s register of deaths holds 89 people named Duffner.
1 of them were born outside France. Those born in France came from 10 départements, most often Bas-Rhin.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
In Switzerland’s population statistics
26 people named Duffner live in Switzerland.
They live in 3 of Switzerland’s 26 cantons, most of all in Zurich.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Swiss Federal Statistical Office (FSO), «Surnames of the permanent resident population by canton», 2025, opendata.swiss/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
Who carried it
People named Duffner,
with a public archive behind them.
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Josef Gustav Duffner 1868–1935 · politician
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Hans Duffner 1908–1945 · writer
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János Zoltán 1921–2011 · surgeon
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Wolfgang Duffner 1937– · writer
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Mark Duffner 1953– · coach
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Michael Duffner 1954– · architect
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Duffner.
- Dudzinski 910 · U.S. census
- Due 1,509 · U.S. census
- Duet 1,413 · U.S. census
- Duez 162 · U.S. census
- Dufer 115 · U.S. census
- Duffey 6,251 · U.S. census
- Duffy 38,835 · U.S. census
- Duflo 143 · U.S. census
- Dufort 650 · U.S. census
- Dufour 4,647 · U.S. census
- Dufraine 112 · U.S. census
- Dufrane 535 · U.S. census
When the index is not enough
This page says where Duffner is.
A volume says what happened to it.
Every page in the index is free and stays free. The Heritage Volume is the long form: the full paper trail, the arms, the crossing — bound, and yours.