The Roszak surname
In the 2010 U.S. Census, 445 people carried this name — #47,614 among all U.S. surnames, about 1 in every 666,700 people counted. That is up 5% from 425 in 2000.
In Poland’s population register
5,503 people named Roszak have a registered home in Poland.
Of the 6,071 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 Greater Poland.
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 236 people named Roszak.
63 of them were born outside France. Those born in France came from 21 départements, most often Pas-de-Calais.
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.
Who carried it
People named Roszak,
with a public archive behind them.
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Cecylia Roszak 1908–2018 · nun -
Charles Roszak 1882–1929
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Stanisław Roszak 1896–1974
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Edmund Roszak 1900–1943 · religious
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Theodore Roszak 1907–1981 · photographer
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Jerzy Roszak 1924–1983 · diplomat
Wikidata and Wikimedia Commons (CC0).
Nearby in the index
Surnames next to Roszak.
When the index is not enough
This page says where Roszak 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.