The Trost surname
In the 2010 U.S. Census, 3,948 people carried this name — #8,385 among all U.S. surnames, about 1 in every 74,600 people counted. That is up 9% from 3,625 in 2000.
Where the name comes from
The origin of the Trost surname
A male surname from German.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Trost» (Czech), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Switzerland’s population statistics
235 people named Trost live in Switzerland.
They live in 13 of Switzerland’s 26 cantons, most of all in Aargau.
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 114 people named Trost.
10 of them were born outside France. Those born in France came from 20 départements, most often Maine-et-Loire.
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 Belgium’s population register
At least 55 people named Trost 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 Liège.
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 Argentina’s national register
At least 28 people named Trost 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 City of Buenos Aires.
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 the Nordic population registers
54 people named Trost 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
Trost in American newspapers,
1905–1913.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 91,751 pages in all carry the name.
Who carried it
People named Trost,
with a public archive behind them.
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Valentin Trost d. 1648
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Mattias Trost 1582–1648 · civil servant
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Martin Trost 1588–1636 · university teacher
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Caspar Trost 1589–1651 · composer
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Johannes Trost von Tieffenthal 1594–1631 · military officer
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Andreas Trost 1643–1708 · copper engraver
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Trost.
- Trojanowski 924 · U.S. census
- Trombetta 1,665 · U.S. census
- Tromp 519 · U.S. census
- Trompeter 479 · U.S. census
- Tron 261 · U.S. census
- Troncin 128 · U.S. census
- Trotta 2,955 · U.S. census
- Trottier 2,262 · U.S. census
- Trovato 1,582 · U.S. census
- Troxler 1,528 · U.S. census
- Troy 8,109 · U.S. census
- Trucco 186 · U.S. census
When the index is not enough
This page says where Trost 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.