The Duffey surname
In the 2010 U.S. Census, 6,251 people carried this name — #5,562 among all U.S. surnames, about 1 in every 47,200 people counted. That is up 4% from 6,000 in 2000.
In Switzerland’s population statistics
69 people named Duffey live in Switzerland.
They live in 4 of Switzerland’s 26 cantons, most of all in Fribourg.
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.
In France’s civil register
France’s register of deaths holds 62 people named Duffey.
8 of them were born outside France. Those born in France came from 12 départements, most often Rhône.
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 print
Duffey in American newspapers,
1888–1924.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 24,652 pages in all carry the name.
Who carried it
People named Duffey,
with a public archive behind them.
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Arthur Duffey 1879–1955 · athletics competitor -
Warren J. Duffey 1886–1936 · lawyer -
Joseph Duffey 1932–2021 · politician -
Rowland Henry Duffey d. 2004
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John Duffey 1836–1923
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Eliza Bisbee Duffey 1838–1898 · writer
Wikidata and Wikimedia Commons (CC0) · 8 lives in all are documented under this name.
Nearby in the index
Surnames next to Duffey.
- Dudziak 468 · U.S. census
- 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
- Duffner 498 · 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
When the index is not enough
This page says where Duffey 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.