The Stach surname
In the 2010 U.S. Census, 1,375 people carried this name — #19,614 among all U.S. surnames, about 1 in every 212,800 people counted. That is up 13% from 1,216 in 2000.
Where the name comes from
The origin of the Stach surname
From Polish Stach, from Stanisław + -ch; or Czech Stach, from Stanislav. In some cases, from the German form of Latin Eustatius or Eustachius.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Stach» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Poland’s population register
3,641 people named Stach have a registered home in Poland.
Of the 4,063 in Poland’s national register, these are the ones with a permanent address on file. They live in 15 of Poland’s 16 voivodeships, most of all in Lesser Poland.
Where it concentrates, on the mapWhere 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 Argentina’s national register
At least 254 people named Stach 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 Buenos Aires Province.
Where it concentrates, on the mapWhere they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
In France’s civil register
France’s register of deaths holds 59 people named Stach.
17 of them were born outside France. Those born in France came from 13 départements, most often Moselle.
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
57 people named Stach live in Switzerland.
They live in 6 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 the Nordic population registers
36 people named Stach 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 Stach,
with a public archive behind them.
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Matthias Stach 1711–1787 · writer
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Johann Albrecht Stach von Goltzheim 1728–1788 · Landrat
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Václav Stach 1754–1831 · religious writer
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Václav Stach 1755–1831 · religious writer
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Georg Bernhard Stach 1771–1832 · engraver
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Jan Stach 1858– · mining engineer
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Stach.
- Springer 31,643 · U.S. census
- Spychala 204 · U.S. census
- Sroka 2,187 · U.S. census
- Staat 430 · U.S. census
- Stabile 2,880 · U.S. census
- Stable 108 · U.S. census
- Stachowiak 1,449 · U.S. census
- Stachowski 958 · U.S. census
- Stadelmann 208 · U.S. census
- Stadler 5,186 · U.S. census
- Stadtler 314 · U.S. census
- Staebler 443 · U.S. census
When the index is not enough
This page says where Stach 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.