The Isler surname
In the 2010 U.S. Census, 2,280 people carried this name — #13,368 among all U.S. surnames, about 1 in every 129,900 people counted. That is up 13% from 2,014 in 2000.
In Switzerland’s population statistics
2,365 people named Isler live in Switzerland.
They live in 25 of Switzerland’s 26 cantons, most of all in Zurich.
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/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
In France’s civil register
France’s register of deaths holds 212 people named Isler.
27 of them were born outside France. Those born in France came from 30 départements, most often Moselle.
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 Belgium’s population register
At least 69 people named Isler 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.
In Argentina’s national register
At least 26 people named Isler 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 Corrientes.
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
23 people named Isler 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).
In print
Isler in American newspapers,
1907–1921.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 979,607 pages in all carry the name.
Who carried it
People named Isler,
with a public archive behind them.
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Johann Luzius Isler 1810–1877 · pastry chef -
Emma Isler 1816–1886 · author -
Ignazio Isler 1702–1788 · writer
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Johannes Isler 1790–1835 · merchant
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Meyer Isler 1807–1888 · librarian
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Jakob Isler 1809–1862 · politician
Wikidata and Wikimedia Commons (CC0) · 9 lives in all are documented under this name.
Nearby in the index
Surnames next to Isler.
- Isch 612 · U.S. census
- Iselin 368 · U.S. census
- Isern 241 · U.S. census
- Isidor 322 · U.S. census
- Isidore 599 · U.S. census
- Isik 241 · U.S. census
- Ismael 1,012 · U.S. census
- Ismail 6,126 · U.S. census
- Ismaili 458 · U.S. census
- Ismert 191 · U.S. census
- Isner 806 · U.S. census
- Isola 1,052 · U.S. census
When the index is not enough
This page says where Isler 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.