The Lesniewski surname
In the 2010 U.S. Census, 965 people carried this name — #25,572 among all U.S. surnames, about 1 in every 303,000 people counted. That is up 4% from 928 in 2000.
In Poland’s population register
11,085 people named Lesniewski have a registered home in Poland.
Of the 12,188 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 56 people named Lesniewski.
11 of them were born outside France. Those born in France came from 11 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 the Nordic population registers
35 people named Lesniewski 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 Lesniewski,
with a public archive behind them.
-
Joseph Lesniewski 1920–2012 · military personnel
Wikidata and Wikimedia Commons (CC0).
Nearby in the index
Surnames next to Lesniewski.
- Lesch 1,296 · U.S. census
- Lescher 251 · U.S. census
- Leser 517 · U.S. census
- Lesiak 562 · U.S. census
- Lesieur 554 · U.S. census
- Lesniak 2,634 · U.S. census
- Leson 131 · U.S. census
- Lesperance 2,868 · U.S. census
- Lespinasse 281 · U.S. census
- Lessard 5,582 · U.S. census
- Lesser 3,686 · U.S. census
- Lestage 436 · U.S. census
When the index is not enough
This page says where Lesniewski 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.