The Lacher surname
In the 2010 U.S. Census, 1,744 people carried this name — #16,475 among all U.S. surnames, about 1 in every 169,500 people counted. That is up 4% from 1,684 in 2000.
In Switzerland’s population statistics
497 people named Lacher live in Switzerland.
They live in 16 of Switzerland’s 26 cantons, most of all in Schwyz.
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 Argentina’s national register
At least 84 people named Lacher 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.
In France’s civil register
France’s register of deaths holds 60 people named Lacher.
3 of them were born outside France. Those born in France came from 13 départements, most often Bas-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 Poland’s population register
31 people named Lacher have a registered home in Poland.
Of the 46 in Poland’s national register, these are the ones with a permanent address on file. They live in 1 of Poland’s 16 voivodeships, most of all in Lesser Poland.
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.
In print
Lacher in American newspapers,
1913–1921.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 10,645 pages in all carry the name.
Who carried it
People named Lacher,
with a public archive behind them.
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Ambrosius Lacher 1470–1540 · mathematician
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Georg Lacher 1809–1882 · painter
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Julius Lacher 1845–1919 · jurist
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Karl Lacher 1850–1908 · artist
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Ernst Lacher 1898–1919 · merchant
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Max Lacher 1905–1988 · photographer
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Lacher.
- Lacasse 3,307 · U.S. census
- Lacaze 1,123 · U.S. census
- Lacelle 286 · U.S. census
- Lach 2,515 · U.S. census
- Lachapelle 2,808 · U.S. census
- Lachat 321 · U.S. census
- Lachmann 212 · U.S. census
- Lack 2,661 · U.S. census
- Lacombe 4,524 · U.S. census
- Lacome 125 · U.S. census
- Lacore 203 · U.S. census
- Lacorte 954 · U.S. census
When the index is not enough
This page says where Lacher 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.