The Illes surname
In the 2010 U.S. Census, 470 people carried this name — #45,495 among all U.S. surnames, about 1 in every 625,000 people counted. That is down 9% from 516 in 2000.
In France’s civil register
France’s register of deaths holds 101 people named Illes.
23 of them were born outside France. Those born in France came from 17 départements, most often Pyrénées-Orientales.
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 Switzerland’s population statistics
64 people named Illes live in Switzerland.
They live in 8 of Switzerland’s 26 cantons, most of all in Zurich.
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 Argentina’s national register
At least 30 people named Illes 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 Chaco.
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 the Nordic population registers
29 people named Illes is counted in Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published.
Counted, by country
Own calculations based on data from Statistics Sweden (SCB), surnames with at least two bearers, 31 December 2022 — CC BY 4.0 (names with 20 or more bearers shown).
Who carried it
People named Illes,
with a public archive behind them.
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Agatha Fassett 1900–1990 · writer
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Agatha Fassett 1900–1990 · writer
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Hildegard Illes 1940– · badminton player
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Peter Illes 1942– · pharmacologist
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Henk Illes 1944–2015 · politician
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Walther Illes 1947– · badminton player
Wikidata (CC0) · 8 lives in all are documented under this name.
Nearby in the index
Surnames next to Illes.
When the index is not enough
This page says where Illes 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.