The Dey surname
In the 2000 U.S. Census, 3,596 people carried this name — #8,441 among all U.S. surnames, about 1 in every 75,200 people counted.
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In France’s civil register
France’s register of deaths holds 280 people named Dey.
26 of them were born outside France. Those born in France came from 46 départements, most often Seine-et-Marne.
Where it concentrates, on the mapWhere 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
227 people named Dey live in Switzerland.
They live in 10 of Switzerland’s 26 cantons, most of all in Fribourg.
Where it concentrates, on the mapWhere they live today
Swiss Federal Statistical Office (FSO), «Surnames of the permanent resident population by canton», 2025, opendata.swiss · names with fewer than 3 bearers in a canton are not published.
In Poland’s population register
52 people named Dey have a registered home in Poland.
Of the 167 in Poland’s national register, these are the ones with a permanent address on file. They live in 4 of Poland’s 16 voivodeships, most of all in Pomeranian.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
PESEL register, Ministry of Digital Affairs of Poland (dane.gov.pl) — CC0 · living people by voivodeship of permanent residence, 20 January 2026.
Nearby in the index
Surnames next to Dey.
When the index is not enough
This page says where Dey is.
A volume says what happened to it.
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