The Cogo surname
In the 2000 U.S. Census, 117 people carried this name — #133,114 among all U.S. surnames, about 1 in every 2,500,000 people counted.
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In France’s civil register
France’s register of deaths holds 53 people named Cogo.
Most of them — 32 — were born outside France. Those born in France came from 10 départements, most often Haute-Garonne.
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 42 people named Cogo 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 Liège.
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.
In Switzerland’s population statistics
25 people named Cogo live in Switzerland.
They live in 5 of Switzerland’s 26 cantons, most of all in Ticino.
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 Cogo.
- Coenen 1,360 · U.S. census
- Coffard 127 · U.S. census
- Coffin 8,183 · U.S. census
- Coffy 290 · U.S. census
- Cogan 3,630 · U.S. census
- Cogen 211 · U.S. census
- Cohan 2,501 · U.S. census
- Cohen 87,226 · U.S. census
- Cohn 9,859 · U.S. census
- Coia 597 · U.S. census
- Coin 692 · U.S. census
- Coine 107 · U.S. census
When the index is not enough
This page says where Cogo is.
A volume says what happened to it.
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