The Leclercq surname
In the 2000 U.S. Census, 375 people carried this name — #52,077 among all U.S. surnames, about 1 in every 714,300 people counted.
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In France’s civil register
France’s register of deaths holds 14,681 people named Leclercq.
258 of them were born outside France. Those born in France came from 96 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 6,497 people named Leclercq 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
103 people named Leclercq live in Switzerland.
They live in 8 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 · names with fewer than 3 bearers in a canton are not published.
In print
Leclercq in American newspapers,
1870–1922.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 2,225 pages in all carry the name.
Who carried it
People named Leclercq,
with a public archive behind them.
-
Salomon Leclerc 1745–1792 · religious role -
Mathieu Leclercq 1796–1889 · politician -
Eugène Leclercq 1832–1908 · draughts player -
Carlotta Leclercq 1838–1893 · actor -
Auguste Bouché-Leclercq 1842–1923 · historian
Wikidata and Wikimedia Commons (CC0) · 166 lives in all are documented under this name.
Nearby in the index
Surnames next to Leclercq.
- Lecher 748 · U.S. census
- Lechien 148 · U.S. census
- Lechner 4,092 · U.S. census
- Leclair 7,836 · U.S. census
- Leclaire 2,718 · U.S. census
- Leclerc 2,762 · U.S. census
- Leclere 603 · U.S. census
- Lecloux 130 · U.S. census
- Lecocq 242 · U.S. census
- Lecompte 3,051 · U.S. census
- Lecomte 752 · U.S. census
- Leconte 681 · U.S. census
When the index is not enough
This page says where Leclercq 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.