The Bast surname
In the 2010 U.S. Census, 2,555 people carried this name — #12,192 among all U.S. surnames, about 1 in every 114,900 people counted. That is up 5% from 2,429 in 2000.
In Argentina’s national register
At least 235 people named Bast 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 Entre Ríos.
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 88 people named Bast.
6 of them were born outside France. Those born in France came from 9 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 Switzerland’s population statistics
27 people named Bast live in Switzerland.
They live in 4 of Switzerland’s 26 cantons, most of all in Zurich.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where 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 the Nordic population registers
154 people named Bast are counted in Sweden and Finland.
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
Bast in American newspapers,
1910–1915.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 773,242 pages in all carry the name.
Who carried it
People named Bast,
with a public archive behind them.
-
Robert C. Bast 1943– · scientist
-
Eva-Maria Bast 1978– · writer
Wikidata (CC0).
Nearby in the index
Surnames next to Bast.
- Bassi 1,666 · U.S. census
- Bassignani 154 · U.S. census
- Bassin 370 · U.S. census
- Bassler 1,774 · U.S. census
- Basso 4,070 · U.S. census
- Basson 263 · U.S. census
- Bastian 6,967 · U.S. census
- Bastianelli 367 · U.S. census
- Bastiani 155 · U.S. census
- Bastida 1,401 · U.S. census
- Bastien 3,136 · U.S. census
- Bastin 1,435 · U.S. census
When the index is not enough
This page says where Bast 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.