The Du surname
In the 2000 U.S. Census, 4,670 people carried this name — #6,669 among all U.S. surnames, about 1 in every 57,800 people counted.
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In Switzerland’s population statistics
160 people named Du live in Switzerland.
They live in 12 of Switzerland’s 26 cantons, most of all in Zurich.
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 France’s civil register
France’s register of deaths holds 102 people named Du.
Most of them — 56 — were born outside France. Those born in France came from 5 départements, most often Finistère.
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 Belgium’s population register
At least 50 people named Du live in Belgium.
Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in Flemish Brabant.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
Nearby in the index
Surnames next to Du.
When the index is not enough
This page says where Du 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.