The Lejeune surname
In the 2010 U.S. Census, 5,544 people carried this name — #6,172 among all U.S. surnames, about 1 in every 53,200 people counted. That is up 2% from 5,423 in 2000.
Where the name comes from
The origin of the Lejeune surname
Borrowed from French Lejeune, from le + jeune, inherited from Middle French jeune. From Middle French le, from Old French le, from Latin illum, from ille. From Old French juene, juefne, from Vulgar Latin *iŏvenem, from Latin iuvenem.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Lejeune» (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 8,920 people named Lejeune.
168 of them were born outside France. Those born in France came from 96 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 5,739 people named Lejeune 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 Liège.
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
126 people named Lejeune live in Switzerland.
They live in 9 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
Lejeune in American newspapers,
1895–1962.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 21,185 pages in all carry the name.
Who carried it
People named Lejeune,
with a public archive behind them.
-
François Lejeune 1770–1799 -
Louis-François, Baron Lejeune 1775–1848 · politician -
Alexandre Louis Simon Lejeune 1779–1858 · physician -
Laurent Joseph Lejeune 1817–1895 · Officer of the French Navy -
Henry Lejeune 1819–1904 · painter
Wikidata and Wikimedia Commons (CC0) · 142 lives in all are documented under this name.
Nearby in the index
Surnames next to Lejeune.
- Leiser 1,588 · U.S. census
- Leitao 598 · U.S. census
- Leite 3,123 · U.S. census
- Leitner 4,010 · U.S. census
- Leitz 996 · U.S. census
- Leix 146 · U.S. census
- Leleux 681 · U.S. census
- Lelievre 295 · U.S. census
- Lelli 341 · U.S. census
- Lelong 115 · U.S. census
- Leloup 152 · U.S. census
- Lemahieu 182 · U.S. census
When the index is not enough
This page says where Lejeune 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.