The Radi surname
In the 2000 U.S. Census, 433 people carried this name — #46,331 among all U.S. surnames, about 1 in every 625,000 people counted.
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In Switzerland’s population statistics
276 people named Radi live in Switzerland.
They live in 14 of Switzerland’s 26 cantons, most of all in Lucerne.
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 Belgium’s population register
At least 175 people named Radi 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 Antwerp.
Where it concentrates, on the mapWhere they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In France’s civil register
France’s register of deaths holds 110 people named Radi.
Most of them — 70 — were born outside France. Those born in France came from 19 départements, most often Paris.
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.
Nearby in the index
Surnames next to Radi.
- Racz 1,024 · U.S. census
- Raczynski 442 · U.S. census
- Radde 396 · U.S. census
- Rade 261 · U.S. census
- Radel 1,444 · U.S. census
- Rader 16,212 · U.S. census
- Radic 372 · U.S. census
- Radice 966 · U.S. census
- Radin 1,020 · U.S. census
- Radix 120 · U.S. census
- Radomski 1,195 · U.S. census
- Radosavljevic 138 · U.S. census
When the index is not enough
This page says where Radi 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.