The Laroche surname
In the 2010 U.S. Census, 5,618 people carried this name — #6,104 among all U.S. surnames, about 1 in every 52,600 people counted. That is up 5% from 5,361 in 2000.
What the name means
The meaning of the Laroche surname
French surname, from several placenames or nicknames from la roche (“the rock”).
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Laroche» (English), 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 7,323 people named Laroche.
83 of them were born outside France. Those born in France came from 100 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 202 people named Laroche 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 Namur.
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
84 people named Laroche 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 print
Laroche in American newspapers,
1886–1919.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 10,472 pages in all carry the name.
Who carried it
People named Laroche,
with a public archive behind them.
-
Jean-Jacques Lenoir-Laroche 1749–1825 · lawyer -
Pierre-Christophe Régis Bouchetal-Laroche 1798–1879 · politician -
Herman Laroche 1845–1904 · composer -
Monique Laroche d. 2020 · winegrower
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James Laroche 1734–1804 · politician
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Michael Johann Laroche 1805–1870 · dancer
Wikidata and Wikimedia Commons (CC0) · 9 lives in all are documented under this name.
Nearby in the index
Surnames next to Laroche.
- Large 6,859 · U.S. census
- Larger 313 · U.S. census
- Lari 282 · U.S. census
- Lario 186 · U.S. census
- Larive 332 · U.S. census
- Lariviere 2,578 · U.S. census
- Larochelle 2,558 · U.S. census
- Laronde 217 · U.S. census
- Laroque 830 · U.S. census
- Larosa 6,808 · U.S. census
- Larose 7,552 · U.S. census
- Laroue 107 · U.S. census
When the index is not enough
This page says where Laroche 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.