The Theisen surname
In the 2010 U.S. Census, 5,707 people carried this name — #6,025 among all U.S. surnames, about 1 in every 51,800 people counted. That is up 8% from 5,300 in 2000.
What the name means
The meaning of the Theisen surname
Borrowed from German, Danish and Norwegian Theisen, a patronymic surname from a reduced form of the personal name Matthias.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Theisen» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In France’s civil register
France’s register of deaths holds 170 people named Theisen.
41 of them were born outside France. Those born in France came from 20 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 Argentina’s national register
At least 147 people named Theisen 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 Misiones.
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 Belgium’s population register
At least 52 people named Theisen 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 Luxembourg Province.
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 print
Theisen in American newspapers,
1906–1926.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 7,590 pages in all carry the name.
Who carried it
People named Theisen,
with a public archive behind them.
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Rasmus Theisen 1837–1908 · jurist -
Jean-Jacques Theisen d. 1948 · organist
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Hilarius Theisen 1762–1821 · farmer
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Eduard Theisen 1847–1911
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Jean-Pierre Theisen 1863–1951 · author
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Jean-François Theisen 1865–1926 · politician
Wikidata and Wikimedia Commons (CC0) · 9 lives in all are documented under this name.
Nearby in the index
Surnames next to Theisen.
- Thau 457 · U.S. census
- The 351 · U.S. census
- Theard 532 · U.S. census
- Thebaud 199 · U.S. census
- Theil 479 · U.S. census
- Theis 6,425 · U.S. census
- Theiss 2,619 · U.S. census
- Thelemaque 339 · U.S. census
- Thelin 350 · U.S. census
- Theo 207 · U.S. census
- Theobald 4,300 · U.S. census
- Theodore 4,601 · U.S. census
When the index is not enough
This page says where Theisen 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.