The Viau surname
In the 2010 U.S. Census, 1,156 people carried this name — #22,301 among all U.S. surnames, about 1 in every 256,400 people counted. That is up 11% from 1,044 in 2000.
In France’s civil register
France’s register of deaths holds 1,040 people named Viau.
7 of them were born outside France. Those born in France came from 63 départements, most often Maine-et-Loire.
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
29 people named Viau live in Switzerland.
They live in 6 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/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
In Argentina’s national register
At least 23 people named Viau live in Argentina.
RENAPER only publishes a name in a province when more than ten people there share it, so the real number is higher. Most of them live in Buenos Aires Province.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
Who carried it
People named Viau,
with a public archive behind them.
-
Fortuné Viau 1812–1889 · painter -
George Viau 1855–1939 · dentist -
Raphaël Viau 1862–1922 · journalist -
Lee Viau 1866–1947 · baseball player -
Dalbé Viau 1881–1938 · architect -
René Viau 1799–1865
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Viau.
- Viana 1,640 · U.S. census
- Viani 299 · U.S. census
- Viano 399 · U.S. census
- Viard 160 · U.S. census
- Viars 1,143 · U.S. census
- Vias 187 · U.S. census
- Viaud 188 · U.S. census
- Vibert 275 · U.S. census
- Vicari 1,720 · U.S. census
- Vicario 1,212 · U.S. census
- Vicens 574 · U.S. census
- Vicent 305 · U.S. census
When the index is not enough
This page says where Viau 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.