The Wilczynski surname
In the 2010 U.S. Census, 1,414 people carried this name — #19,200 among all U.S. surnames, about 1 in every 208,300 people counted. That is down 1% from 1,422 in 2000.
Where the name comes from
The origin of the Wilczynski surname
From Wilczyn or Wilczyna (place names) + -ski.
From Wiktionary, the free dictionary (en.wiktionary.org) — entries «Wilczynski» (English) and «Wilczyński» (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
15,366 people named Wilczynski have a registered home in Poland.
Of the 17,034 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 102 people named Wilczynski.
20 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 Switzerland’s population statistics
20 people named Wilczynski live in Switzerland.
They live in 4 of Switzerland’s 26 cantons, most of all in St. Gallen.
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
26 people named Wilczynski 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 Wilczynski,
with a public archive behind them.
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Eva Seelig 1876–1943
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Konrad Wilczynski 1982– · handball player
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Konrad Wilczynski 1982– · handball player
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Petra Wilczynski 1983– · business manager
Wikidata (CC0).
Nearby in the index
Surnames next to Wilczynski.
- Wierzbicki 1,639 · U.S. census
- Wies 442 · U.S. census
- Wiesen 924 · U.S. census
- Wieser 1,568 · U.S. census
- Wiest 3,588 · U.S. census
- Wilbert 3,222 · U.S. census
- Wild 8,217 · U.S. census
- Wildermuth 1,651 · U.S. census
- Wilhelm 19,913 · U.S. census
- Wilk 5,763 · U.S. census
- Wilke 8,106 · U.S. census
- Wilkinson 53,739 · U.S. census
When the index is not enough
This page says where Wilczynski 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.