The Loiseau surname
In the 2010 U.S. Census, 847 people carried this name — #28,241 among all U.S. surnames, about 1 in every 344,800 people counted. That is up 23% from 687 in 2000.
What the name means
The meaning of the Loiseau surname
A surname transferred from the common noun, equivalent to English Bird.
From le (“the”) + oiseau (“bird”).
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Loiseau» (French), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In France’s civil register
France’s register of deaths holds 7,013 people named Loiseau.
63 of them were born outside France. Those born in France came from 91 départements, most often Paris.
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 392 people named Loiseau 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
66 people named Loiseau live in Switzerland.
They live in 5 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 31 people named Loiseau 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 Loiseau,
with a public archive behind them.
-
Louis-Luc Loiseau de Persuis 1769–1819 · composer -
Charles Loiseau 1824–1897 · physician -
Louis Loiseau 1858–1923 · writer -
Paul Louis Émile Loiseau-Rousseau 1861–1927 · painter -
Gustave Loiseau 1865–1935 · painter -
Jean-François Loiseau 1751–1809 · politician
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Loiseau.
- Lohmann 1,965 · U.S. census
- Lohner 408 · U.S. census
- Lohr 6,506 · U.S. census
- Loi 1,357 · U.S. census
- Loiacono 1,693 · U.S. census
- Loignon 137 · U.S. census
- Loisel 415 · U.S. census
- Loiselle 2,004 · U.S. census
- Loll 513 · U.S. census
- Lolli 459 · U.S. census
- Lomba 663 · U.S. census
- Lombard 5,873 · U.S. census
When the index is not enough
This page says where Loiseau 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.