The Cosma surname
In the 2000 U.S. Census, 498 people carried this name — #41,262 among all U.S. surnames, about 1 in every 555,600 people counted.
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In France’s civil register
France’s register of deaths holds 78 people named Cosma.
Most of them — 49 — were born outside France. Those born in France came from 14 départements, most often Var.
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 Switzerland’s population statistics
65 people named Cosma live in Switzerland.
They live in 9 of Switzerland’s 26 cantons, most of all in Valais.
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.
In Belgium’s population register
At least 33 people named Cosma 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 Brussels-Capital.
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 Cosma.
- Corvi 285 · U.S. census
- Corvo 351 · U.S. census
- Cos 321 · U.S. census
- Cosentino 4,238 · U.S. census
- Cosenza 1,759 · U.S. census
- Coskun 124 · U.S. census
- Cosme 4,140 · U.S. census
- Cossa 205 · U.S. census
- Cossart 102 · U.S. census
- Cosse 350 · U.S. census
- Cossin 474 · U.S. census
- Cosson 386 · U.S. census
When the index is not enough
This page says where Cosma is.
A volume says what happened to it.
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