The Weis surname
In the 2010 U.S. Census, 9,750 people carried this name — #3,645 among all U.S. surnames, about 1 in every 30,200 people counted. That is up 4% from 9,415 in 2000.
In Argentina’s national register
At least 365 people named Weis 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 355 people named Weis.
54 of them were born outside France. Those born in France came from 50 départements, most often Moselle.
Where it concentrates, on the mapWhere 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
345 people named Weis have a registered home in Poland.
Of the 503 in Poland’s national register, these are the ones with a permanent address on file. They live in 13 of Poland’s 16 voivodeships, most of all in Silesian.
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 Switzerland’s population statistics
226 people named Weis live in Switzerland.
They live in 15 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 Belgium’s population register
At least 28 people named Weis live in Belgium.
Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in Antwerp.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In the Nordic population registers
64 people named Weis 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).
In print
Weis in American newspapers,
1924–1925.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 879,755 pages in all carry the name.
Who carried it
People named Weis,
with a public archive behind them.
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Nicolaus von Weis 1796–1869 · Catholic priest -
Hieronymus Weis d. 1609 · Christian minister
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Georgius Weis 1636–1687 · professor
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Nikolaus Weis 1657–1737 · artist
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Othmar Weis 1770–1843 · writer
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Johann Nepomuk Weis 1793–1858 · historian
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Weis.
- Weingarten 2,272 · U.S. census
- Weingartner 1,218 · U.S. census
- Weinland 213 · U.S. census
- Weinmann 1,748 · U.S. census
- Weinstein 13,563 · U.S. census
- Weirauch 386 · U.S. census
- Weisbecker 427 · U.S. census
- Weiser 5,421 · U.S. census
- Weisgerber 1,125 · U.S. census
- Weishaar 1,824 · U.S. census
- Weishaupt 487 · U.S. census
- Weiss 57,112 · U.S. census
When the index is not enough
This page says where Weis 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.