The Szostak surname
In the 2010 U.S. Census, 795 people carried this name — #29,626 among all U.S. surnames, about 1 in every 370,400 people counted. That is down 1% from 806 in 2000.
Where the name comes from
The origin of the Szostak surname
From Polish Szostak and Szóstak.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Szostak» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Poland’s population register
11,422 people named Szostak have a registered home in Poland.
Of the 12,488 in Poland’s national register, these are the ones with a permanent address on file. They live in all 16 of Poland’s voivodeships, most of all in Masovian.
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 France’s civil register
France’s register of deaths holds 65 people named Szostak.
23 of them were born outside France. Those born in France came from 13 départements, most often Pas-de-Calais.
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 62 people named Szostak 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 Switzerland’s population statistics
21 people named Szostak live in Switzerland.
They live in 4 of Switzerland’s 26 cantons, most of all in Aargau.
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
51 people named Szostak 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).
Who carried it
People named Szostak,
with a public archive behind them.
-
Bronisław Szostak 1894–1939 · military officer -
Józef Szostak 1897–1984 · military officer -
Stanisław Szostak 1898–1961 · military officer -
Stanisław Szostak 1898–1961 · military officer
-
Karol Gąsienica Szostak 1908–1996 · skier -
Mikołaj Szostak 1710–1773 · Catholic priest
Wikidata and Wikimedia Commons (CC0).
Nearby in the index
Surnames next to Szostak.
- Szczesniak 632 · U.S. census
- Szczesny 821 · U.S. census
- Szczurek 204 · U.S. census
- Szczygiel 505 · U.S. census
- Szelag 243 · U.S. census
- Szewczyk 1,977 · U.S. census
- Szpak 433 · U.S. census
- Szulc 320 · U.S. census
- Szwarc 301 · U.S. census
- Szwed 494 · U.S. census
- Szydlowski 967 · U.S. census
- Szymanek 172 · U.S. census
When the index is not enough
This page says where Szostak 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.