The Sonmez surname
In the 2000 U.S. Census, 123 people carried this name — #127,948 among all U.S. surnames, about 1 in every 2,000,000 people counted.
In Belgium’s population register
At least 406 people named Sonmez 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 East Flanders.
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 Switzerland’s population statistics
373 people named Sonmez live in Switzerland.
They live in 16 of Switzerland’s 26 cantons, most of all in Aargau.
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 70 people named Sonmez.
Most of them — 54 — were born outside France. Those born in France came from 10 départements, most often Essonne.
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 Sonmez.
- Sommer 11,624 · U.S. census
- Son 7,843 · U.S. census
- Sondag 426 · U.S. census
- Song 16,856 · U.S. census
- Songy 502 · U.S. census
- Sonier 544 · U.S. census
- Sonneville 149 · U.S. census
- Sonnier 5,719 · U.S. census
- Sonntag 1,840 · U.S. census
- Sontag 2,114 · U.S. census
- Sonzogni 104 · U.S. census
- Sophie 122 · U.S. census
When the index is not enough
This page says where Sonmez 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.