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

The Dejardin surname

In the 2010 U.S. Census, 296 people carried this name — #66,754 among all U.S. surnames, about 1 in every 1,000,000 people counted. That is up 3% from 286 in 2000.

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In France’s civil register

France’s register of deaths holds 1,319 people named Dejardin.

29 of them were born outside France. Those born in France came from 63 départements, most often Nord.

Where it concentrates, on the map

Where they were born

Born outside France 29
Nord 301
Pas-de-Calais 235
Aisne 135
Paris 115
Somme 90
Seine-Maritime 42
Ardennes 41
Yvelines 37

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 577 people named Dejardin 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 map

Where they live today

Liège 376
Hainaut 102
Namur 65
Luxembourg Province 13
Flemish Brabant 11
Walloon Brabant 10

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

In Switzerland’s population statistics

51 people named Dejardin 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

Vaud 22
Fribourg 16
Geneva 5
Neuchâtel 5
Jura 3

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.

Who carried it

People named Dejardin,
with a public archive behind them.

  • Joseph Dejardin
    Joseph Dejardin 1819–1895 · notary
  • Hyacinthe Dejardin 1820–1875 · architect
  • Léon Dejardin 1842–1912 · diplomat
  • Julien Déjardin 1857–1906 · painter
  • Joseph Dejardin 1873–1932 · politician
  • Georges Dejardin 1914–1993 · politician

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

Nearby in the index

Surnames next to Dejardin.

When the index is not enough

This page says where Dejardin 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.

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