Flahaut surname: U.S. census count, rank and records | FamilyCrests

The Flahaut surname

In the 2010 U.S. Census, 108 people carried this name — #151,532 among all U.S. surnames, about 1 in every 2,500,000 people counted. That is down 7% from 116 in 2000.

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In France’s civil register

France’s register of deaths holds 1,867 people named Flahaut.

18 of them were born outside France. Those born in France came from 40 départements, most often Pas-de-Calais.

Where it concentrates, on the map

Where they were born

Born outside France 18
Pas-de-Calais 1,193
Nord 212
Seine-Maritime 178
Paris 77
Somme 22
Yvelines 20
La Réunion 17
Manche 14

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 51 people named Flahaut 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 Walloon Brabant.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they live today

Walloon Brabant 30
Namur 15
Liège 6

Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.

Who carried it

People named Flahaut,
with a public archive behind them.

  • Charles-Claude Flahaut de la Billaderie
    Charles-Claude Flahaut de la Billaderie 1730–1809 · politician
  • Albert Flahaut
    Albert Flahaut 1897–1969 · sport cyclist
  • Marianne Flahaut 1876–1950 · opera singer
  • Jean Flahaut 1922–2015 · pharmacist
  • Marie-Dorothée Flahaut 1945– · politician
  • Bertrand Flahaut 1947– · politician

Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.

Nearby in the index

Surnames next to Flahaut.

When the index is not enough

This page says where Flahaut 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.

See what a volume holds
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