The Mast surname
In the 2010 U.S. Census, 15,932 people carried this name — #2,288 among all U.S. surnames, about 1 in every 18,500 people counted. That is up 24% from 12,869 in 2000.
In Switzerland’s population statistics
562 people named Mast live in Switzerland.
They live in 16 of Switzerland’s 26 cantons, most of all in Bern.
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 250 people named Mast.
20 of them were born outside France. Those born in France came from 30 départements, most often Paris.
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 Belgium’s population register
At least 170 people named Mast 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.
Where it concentrates, on the mapWhere 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 46 people named Mast 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.
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
107 people named Mast are counted in Finland and Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published. Finland counts its citizens, at home or abroad.
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) · Digital and Population Data Services Agency (DVV), Finland, surname statistics, August 2026 — CC BY 4.0.
In print
Mast in American newspapers,
1917–1923.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 992,985 pages in all carry the name.
Who carried it
People named Mast,
with a public archive behind them.
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Charles Mast 1889–1977 · military personnel -
Jan Mast 1678–1736 · sculptor
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Charlotte Hublier 1817– · painter
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Karel Mast 1854–1929 · sculptor
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Samuel Ottmar Mast 1871–1947 · biologist
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Adolf Mast 1873–1967 · politician
Wikidata and Wikimedia Commons (CC0) · 8 lives in all are documented under this name.
Nearby in the index
Surnames next to Mast.
- Masso 1,001 · U.S. census
- Masson 2,813 · U.S. census
- Massone 128 · U.S. census
- Massoni 467 · U.S. census
- Massucco 164 · U.S. census
- Massy 240 · U.S. census
- Mastalerz 254 · U.S. census
- Mastin 4,085 · U.S. census
- Maston 1,878 · U.S. census
- Mastrangelo 2,482 · U.S. census
- Mastroianni 1,977 · U.S. census
- Mastrosimone 258 · U.S. census
When the index is not enough
This page says where Mast 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.