The Dermont surname
In the 2010 U.S. Census, 121 people carried this name — #138,304 among all U.S. surnames, about 1 in every 2,500,000 people counted. That is up 6% from 114 in 2000.
In France’s civil register
France’s register of deaths holds 147 people named Dermont.
6 of them were born outside France. Those born in France came from 19 départements, most often Aisne.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
In Poland’s population register
121 people named Dermont have a registered home in Poland.
Of the 138 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 Podlaskie.
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 Switzerland’s population statistics
65 people named Dermont live in Switzerland.
They live in 8 of Switzerland’s 26 cantons, most of all in Graubünden.
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.
In print
Dermont in American newspapers,
1891–1922.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 3,854 pages in all carry the name.
Nearby in the index
Surnames next to Dermont.
- Derez 138 · U.S. census
- Derian 300 · U.S. census
- Derick 416 · U.S. census
- Deridder 732 · U.S. census
- Derieux 260 · U.S. census
- Derin 114 · U.S. census
- Deroche 2,434 · U.S. census
- Deroin 256 · U.S. census
- Derome 196 · U.S. census
- Deron 164 · U.S. census
- Deroo 836 · U.S. census
- Derose 4,135 · U.S. census
When the index is not enough
This page says where Dermont 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.