The Dumas surname
In the 2000 U.S. Census, 16,660 people carried this name — #1,997 among all U.S. surnames, about 1 in every 16,200 people counted.
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In France’s civil register
France’s register of deaths holds 17,088 people named Dumas.
303 of them were born outside France. Those born in France came from 103 départements, most often Loire.
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 Switzerland’s population statistics
648 people named Dumas live in Switzerland.
They live in 12 of Switzerland’s 26 cantons, most of all in Fribourg.
Where it concentrates, on the mapWhere they live today
Swiss Federal Statistical Office (FSO), «Surnames of the permanent resident population by canton», 2025, opendata.swiss · names with fewer than 3 bearers in a canton are not published.
In Poland’s population register
59 people named Dumas have a registered home in Poland.
Of the 132 in Poland’s national register, these are the ones with a permanent address on file. They live in 6 of Poland’s 16 voivodeships, most of all in Masovian.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
PESEL register, Ministry of Digital Affairs of Poland (dane.gov.pl) — CC0 · living people by voivodeship of permanent residence, 20 January 2026.
In Belgium’s population register
At least 30 people named Dumas 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 Brussels-Capital.
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.
Who carried it
People named Dumas,
with a public archive behind them.
-
Jean-Daniel Dumas 1721–1794 · military personnel -
Mathieu Dumas 1753–1837 · writer -
Thomas-Alexandre Dumas 1762–1806 · military officer -
Jean-Baptiste Dumas 1800–1884 · politician -
Alexandre Dumas 1802–1870 · writer
Wikidata and Wikimedia Commons (CC0) · 200 lives in all are documented under this name.
Nearby in the index
Surnames next to Dumas.
- Dulay 1,246 · U.S. census
- Dulin 3,847 · U.S. census
- Dulong 708 · U.S. census
- Dumaine 377 · U.S. census
- Dumais 1,678 · U.S. census
- Duman 837 · U.S. census
- Dumay 205 · U.S. census
- Dume 390 · U.S. census
- Dumesnil 303 · U.S. census
- Dumez 190 · U.S. census
- Dumitru 324 · U.S. census
- Dumond 2,482 · U.S. census
When the index is not enough
This page says where Dumas 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.