The Blondeau surname
In the 2010 U.S. Census, 261 people carried this name — #74,141 among all U.S. surnames, about 1 in every 1,111,100 people counted. That is up 3% from 253 in 2000.
In France’s civil register
France’s register of deaths holds 5,665 people named Blondeau.
44 of them were born outside France. Those born in France came from 92 départements, most often Nord.
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 Belgium’s population register
At least 484 people named Blondeau 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 Hainaut.
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
62 people named Blondeau 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 25 people named Blondeau 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 Blondeau,
with a public archive behind them.
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Gregoire-Joseph Blondeau 1764–1840 · politician -
Charles Bruno Blondeau 1835–1888 · politician -
Henri Blondeau 1841–1925 · writer -
Claude Blondeau 1601–1680 · jurist
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Jacques Blondeau 1655–1698 · printmaker
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Maurice-Régis Blondeau 1734–1809 · fur trader
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Blondeau.
- Blois 230 · U.S. census
- Blom 3,103 · U.S. census
- Blomme 296 · U.S. census
- Blon 128 · U.S. census
- Blond 248 · U.S. census
- Blonde 256 · U.S. census
- Blondet 231 · U.S. census
- Blondin 1,212 · U.S. census
- Blosser 4,167 · U.S. census
- Blot 338 · U.S. census
- Blouin 2,474 · U.S. census
- Bloy 108 · U.S. census
When the index is not enough
This page says where Blondeau 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.