The Sidler surname
In the 2010 U.S. Census, 461 people carried this name — #46,219 among all U.S. surnames, about 1 in every 625,000 people counted. That is down 11% from 517 in 2000.
In Switzerland’s population statistics
2,649 people named Sidler live in Switzerland.
They live in 25 of Switzerland’s 26 cantons, most of all in Lucerne.
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 90 people named Sidler.
13 of them were born outside France. Those born in France came from 20 départements, most often Paris.
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 Argentina’s national register
At least 89 people named Sidler 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 Santa Fe.
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.
Who carried it
People named Sidler,
with a public archive behind them.
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Georg Joseph Sidler 1782–1861 · politician -
Georg Joseph Sidler 1831–1907 · astronomer -
Godefroy Sidler 1836–1910 · curator -
Emil Sidler 1844–1928 · politician -
Angelina Sidler 1501–1636 · religious
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Bernhard Damian Sidler 1707–1762
Wikidata and Wikimedia Commons (CC0).
Nearby in the index
Surnames next to Sidler.
When the index is not enough
This page says where Sidler 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.