The Grau surname
In the 2000 U.S. Census, 5,099 people carried this name — #6,186 among all U.S. surnames, about 1 in every 52,900 people counted.
Free to read. No account, no sign-up.
In France’s civil register
France’s register of deaths holds 1,289 people named Grau.
273 of them were born outside France. Those born in France came from 62 départements, most often Pyrénées-Orientales.
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
745 people named Grau live in Switzerland.
They live in 19 of Switzerland’s 26 cantons, most of all in Zurich.
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 Poland’s population register
132 people named Grau have a registered home in Poland.
Of the 177 in Poland’s national register, these are the ones with a permanent address on file. They live in 5 of Poland’s 16 voivodeships, most of all in Pomeranian.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
PESEL register, Ministry of Digital Affairs of Poland (dane.gov.pl) — CC0 · living people by voivodeship of permanent residence, 20 January 2026.
Nearby in the index
Surnames next to Grau.
- Grathwohl 354 · U.S. census
- Gratias 115 · U.S. census
- Gratiot 117 · U.S. census
- Graton 219 · U.S. census
- Gratton 2,108 · U.S. census
- Gratz 1,910 · U.S. census
- Graul 918 · U.S. census
- Graupner 226 · U.S. census
- Grava 137 · U.S. census
- Grave 738 · U.S. census
- Gravel 2,225 · U.S. census
- Gravelin 222 · U.S. census
When the index is not enough
This page says where Grau 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.