The Marczak surname
In the 2010 U.S. Census, 747 people carried this name — #31,068 among all U.S. surnames, about 1 in every 400,000 people counted. That is up 13% from 663 in 2000.
Where the name comes from
The origin of the Marczak surname
From Marek + -ak.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Marczak» (Polish), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Poland’s population register
13,342 people named Marczak have a registered home in Poland.
Of the 14,616 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 Argentina’s national register
At least 139 people named Marczak 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 Misiones.
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 France’s civil register
France’s register of deaths holds 116 people named Marczak.
42 of them were born outside France. Those born in France came from 18 départements, most often Nord.
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 the Nordic population registers
49 people named Marczak 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 Marczak,
with a public archive behind them.
-
Bolesław Marczak 1919– -
Stanisław Marczak-Oborski 1921–1987 · writer -
Michał Marczak 1886–1945 · librarian
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Felicja Marczakowa 1896–1989 · politician
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Karol Marczak 1902–1977 · filmmaker
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Ludomir Marczak 1907–1943 · composer
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Marczak.
- Marcoux 2,507 · U.S. census
- Marcu 328 · U.S. census
- Marcucci 1,611 · U.S. census
- Marcuccilli 124 · U.S. census
- Marcus 17,671 · U.S. census
- Marcy 2,558 · U.S. census
- Mardirossian 352 · U.S. census
- Mardon 192 · U.S. census
- Mare 410 · U.S. census
- Marechal 134 · U.S. census
- Maree 388 · U.S. census
- Marek 8,042 · U.S. census
When the index is not enough
This page says where Marczak 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.