The Thiry surname
In the 2000 U.S. Census, 1,077 people carried this name — #22,322 among all U.S. surnames, about 1 in every 250,000 people counted.
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In Belgium’s population register
At least 3,898 people named Thiry 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 Luxembourg Province.
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 1,811 people named Thiry.
110 of them were born outside France. Those born in France came from 74 départements, most often Moselle.
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
40 people named Thiry live in Switzerland.
They live in 5 of Switzerland’s 26 cantons, most of all in Vaud.
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 · names with fewer than 3 bearers in a canton are not published.
Nearby in the index
Surnames next to Thiry.
- Thies 4,174 · U.S. census
- Thiesse 341 · U.S. census
- Thill 2,730 · U.S. census
- Thillet 175 · U.S. census
- Thinnes 477 · U.S. census
- Thirion 257 · U.S. census
- Tho 236 · U.S. census
- Thole 1,462 · U.S. census
- Thoma 4,080 · U.S. census
- Thomann 954 · U.S. census
- Thomas 710,696 · U.S. census
- Thomasson 4,606 · U.S. census
When the index is not enough
This page says where Thiry 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.