The Dejean surname
In the 2010 U.S. Census, 1,978 people carried this name — #14,950 among all U.S. surnames, about 1 in every 149,300 people counted. That is up 15% from 1,725 in 2000.
In France’s civil register
France’s register of deaths holds 3,833 people named Dejean.
83 of them were born outside France. Those born in France came from 86 départements, most often Ariège.
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 Argentina’s national register
At least 102 people named Dejean 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.
In Belgium’s population register
At least 93 people named Dejean 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.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In print
Dejean in American newspapers,
1904–1912.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 8,328 pages in all carry the name.
Who carried it
People named Dejean,
with a public archive behind them.
-
Éléonore de Boufflers 1749–1827 · writer -
Jean François Aimé Dejean 1749–1824 · politician -
Pierre François Marie Auguste Dejean 1780–1845 · politician -
Louis Dejean 1786–1879 · director -
Pierre Dejean 1701–1778
-
Ferdinand Dejean 1731–1797 · physician
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Dejean.
- Dei 246 · U.S. census
- Deininger 718 · U.S. census
- Deis 879 · U.S. census
- Deiss 671 · U.S. census
- Dejan 138 · U.S. census
- Dejardin 296 · U.S. census
- Dejoie 325 · U.S. census
- Dejonghe 231 · U.S. census
- Deken 199 · U.S. census
- Dekeyser 811 · U.S. census
- Dekeyzer 169 · U.S. census
- Dekker 2,246 · U.S. census
When the index is not enough
This page says where Dejean 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.