The Blocher surname
In the 2010 U.S. Census, 1,733 people carried this name — #16,560 among all U.S. surnames, about 1 in every 169,500 people counted. That is up 16% from 1,500 in 2000.
In France’s civil register
France’s register of deaths holds 77 people named Blocher.
7 of them were born outside France. Those born in France came from 14 départements, most often Haut-Rhin.
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
46 people named Blocher live in Switzerland.
They live in 5 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 Poland’s population register
28 people named Blocher have a registered home in Poland.
Of the 35 in Poland’s national register, these are the ones with a permanent address on file. They live in 4 of Poland’s 16 voivodeships, most of all in Silesian.
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.
Who carried it
People named Blocher,
with a public archive behind them.
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Hermann Blocher 1872–1942 · politician -
Madeleine Blocher-Saillens 1881–1971 -
Johann Georg Blocher 1811–1899 · teacher
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Eduard Blocher 1870–1942 · pastor
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Eugen Blocher 1882–1964 · judge
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Jacques Blocher 1909–1986 · pastor
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Blocher.
When the index is not enough
This page says where Blocher 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.