The Sikorski surname
In the 2010 U.S. Census, 4,189 people carried this name — #7,903 among all U.S. surnames, about 1 in every 70,400 people counted. That is down 1% from 4,214 in 2000.
In Poland’s population register
24,383 people named Sikorski have a registered home in Poland.
Of the 27,200 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 204 people named Sikorski.
56 of them were born outside France. Those born in France came from 31 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 45 people named Sikorski 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
22 people named Sikorski live in Switzerland.
They live in 4 of Switzerland’s 26 cantons, most of all in Zurich.
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
41 people named Sikorski 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 Sikorski,
with a public archive behind them.
-
Jan Sikorski 1805–1887 · painter -
Józef Sikorski 1813–1896 · musician -
Ivan Sikorski 1842–1919 · psychiatrist -
Laurenty Grzegorz Sikorski 1849–1915 · actor -
Tadeusz Sikorski 1851–1937 · politician -
Marian Stanislaus Sikorski d. 1763 · historian
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Sikorski.
- Signorini 147 · U.S. census
- Signorino 424 · U.S. census
- Sigrist 928 · U.S. census
- Sigwalt 125 · U.S. census
- Siino 292 · U.S. census
- Sikora 5,604 · U.S. census
- Silber 2,390 · U.S. census
- Silbermann 174 · U.S. census
- Silberstein 609 · U.S. census
- Siles 714 · U.S. census
- Silo 124 · U.S. census
- Silva 161,633 · U.S. census
When the index is not enough
This page says where Sikorski 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.