The Knorr surname
In the 2010 U.S. Census, 4,333 people carried this name — #7,665 among all U.S. surnames, about 1 in every 68,000 people counted. That is up 3% from 4,197 in 2000.
What the name means
The meaning of the Knorr surname
From the Dutch and German surname, from the root of Middle Dutch and Middle Low German cnorre, knorre (“protruberance, knot”).
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Knorr» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Switzerland’s population statistics
287 people named Knorr live in Switzerland.
They live in 17 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 138 people named Knorr.
10 of them were born outside France. Those born in France came from 10 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 Argentina’s national register
At least 57 people named Knorr 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 Córdoba.
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 Poland’s population register
49 people named Knorr have a registered home in Poland.
Of the 93 in Poland’s national register, these are the ones with a permanent address on file. They live in 7 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.
In print
Knorr in American newspapers,
1906–1909.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 19,537 pages in all carry the name.
Who carried it
People named Knorr,
with a public archive behind them.
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Adam Knorr d. 1626 · monk
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Friedrich Knorr d. 1983 · veterinarian
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Nikolaus Knorr d. 1597 · printer
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Johann Knorr d. 1633 · singer
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Julius Heinrich Knorr d. 1865 · journalist
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Cordula Knorr d. 1596
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Knorr.
When the index is not enough
This page says where Knorr 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.