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

The Duplessis surname

In the 2010 U.S. Census, 3,044 people carried this name — #10,536 among all U.S. surnames, about 1 in every 97,100 people counted. That is up 14% from 2,662 in 2000.

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Where the name comes from

The origin of the Duplessis surname

From French du Plessis.

From Wiktionary, the free dictionary (en.wiktionary.org) — entry «du Plessis» (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 718 people named Duplessis.

9 of them were born outside France. Those born in France came from 66 départements, most often Nièvre.

Where it concentrates, on the map

Where they were born

Born outside France 9
Nièvre 85
Paris 69
Saône-et-Loire 64
Marne 37
Seine-Maritime 33
Indre-et-Loire 26
Eure 25
Yvelines 24

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 96 people named Duplessis 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 Mendoza.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they live today

Mendoza 77
San Luis 19

RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.

In print

Duplessis in American newspapers,
1888–1920.

Newspaper page from The Birmingham Age-herald carrying the name Duplessis
The Birmingham Age-herald 1908-05-31
Newspaper page from La Prensa carrying the name Duplessis
La Prensa 1920-03-20
Newspaper page from Hermanner Volksblatt carrying the name Duplessis
Hermanner Volksblatt 1888-06-22

Chronicling America, Library of Congress — digitised newspapers in the public domain · 3,095 pages in all carry the name.

Who carried it

People named Duplessis,
with a public archive behind them.

  • Louis-François Duplessis de Mornay
    Louis-François Duplessis de Mornay 1663–1741 · Catholic priest
  • Joseph-Siffred Duplessis
    Joseph-Siffred Duplessis 1725–1802 · painter
  • Jean-Baptiste Vigoureux Comte Duplessis
    Jean-Baptiste Vigoureux Comte Duplessis 1735–1825 · colonial administrator
  • Charlotte Duplessis-Mornay 1548–1606 · writer
  • Jacques Vigouroux Duplessis 1680–1732 · painter
  • Marie-Andrée Regnard Duplessis de Sainte-Hélène 1687–1760 · nun

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

Nearby in the index

Surnames next to Duplessis.

When the index is not enough

This page says where Duplessis 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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