The Stefanski surname
In the 2010 U.S. Census, 2,311 people carried this name — #13,221 among all U.S. surnames, about 1 in every 128,200 people counted. That is down 2% from 2,353 in 2000.
Where the name comes from
The origin of the Stefanski surname
From Polish Stefański.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Stefanski» (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
17,112 people named Stefanski have a registered home in Poland.
Of the 19,014 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 123 people named Stefanski.
41 of them were born outside France. Those born in France came from 17 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
31 people named Stefanski 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).
In print
Stefanski in American newspapers,
1913–1925.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 1,577 pages in all carry the name.
Nearby in the index
Surnames next to Stefanski.
- Stefanelli 928 · U.S. census
- Stefani 1,702 · U.S. census
- Stefaniak 1,019 · U.S. census
- Stefanini 239 · U.S. census
- Stefano 1,285 · U.S. census
- Stefanovic 351 · U.S. census
- Steff 275 · U.S. census
- Steffan 1,847 · U.S. census
- Steffe 435 · U.S. census
- Steffen 11,494 · U.S. census
- Steger 5,231 · U.S. census
- Stegmann 520 · U.S. census
When the index is not enough
This page says where Stefanski 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.