The Delmas surname
In the 2010 U.S. Census, 499 people carried this name — #43,285 among all U.S. surnames, about 1 in every 588,200 people counted. That is up 10% from 452 in 2000.
In France’s civil register
France’s register of deaths holds 8,811 people named Delmas.
143 of them were born outside France. Those born in France came from 98 départements, most often Aveyron.
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 473 people named Delmas 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.
Where it concentrates, on the mapWhere they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
In Switzerland’s population statistics
28 people named Delmas 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
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 Delmas,
with a public archive behind them.
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Antoine Guillaume Delmas 1768–1813 · military personnel -
René de Pont-Jest 1830–1904 · writer -
Albert Delmas 1831–1914 · official -
Ida Delmas d. 1999 · actor
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Jean-François-Bertrand Delmas 1751–1798 · politician
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Justin Delmas 1796–1876 · official
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Delmas.
- Dellerba 137 · U.S. census
- Delles 333 · U.S. census
- Delli 112 · U.S. census
- Dellinger 8,040 · U.S. census
- Dellis 360 · U.S. census
- Delmar 1,184 · U.S. census
- Delmer 108 · U.S. census
- Delmont 466 · U.S. census
- Delmonte 1,849 · U.S. census
- Delmotte 203 · U.S. census
- Deloge 264 · U.S. census
- Delome 130 · U.S. census
When the index is not enough
This page says where Delmas 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.