The Wasielewski surname
In the 2010 U.S. Census, 1,551 people carried this name — #18,003 among all U.S. surnames, about 1 in every 188,700 people counted. That is up 3% from 1,503 in 2000.
In Poland’s population register
5,058 people named Wasielewski have a registered home in Poland.
Of the 5,583 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 166 people named Wasielewski.
37 of them were born outside France. Those born in France came from 15 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.
Who carried it
People named Wasielewski,
with a public archive behind them.
-
Wilhelm Joseph von Wasielewski 1822–1896 · writer -
Wilhelm Joseph von Wasielewski 1822–1896 · writer
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Hugo von Wasielewski 1853–1936 · military leader -
Theodor von Wasielewski 1868–1941 · physician -
Thad F. Wasielewski 1904–1976 · lawyer -
Alma von Wasielewski 1827–1871 · pianist
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Wasielewski.
- Wartelle 106 · U.S. census
- Warter 185 · U.S. census
- Warth 932 · U.S. census
- Warther 126 · U.S. census
- Wary 176 · U.S. census
- Was 353 · U.S. census
- Wasik 1,416 · U.S. census
- Wasilewski 2,204 · U.S. census
- Wasmer 562 · U.S. census
- Wasner 245 · U.S. census
- Wasser 2,099 · U.S. census
- Wassermann 280 · U.S. census
When the index is not enough
This page says where Wasielewski 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.