The Lesniak surname
In the 2010 U.S. Census, 2,634 people carried this name — #11,886 among all U.S. surnames, about 1 in every 112,400 people counted. That is up 4% from 2,541 in 2000.
Where the name comes from
The origin of the Lesniak surname
From Polish Leśniak.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Lesniak» (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
17,115 people named Lesniak have a registered home in Poland.
Of the 18,625 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 Lesser 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 218 people named Lesniak.
88 of them were born outside France. Those born in France came from 24 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 47 people named Lesniak 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
39 people named Lesniak live in Switzerland.
They live in 5 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
73 people named Lesniak 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
Lesniak in American newspapers,
1910–1927.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 639 pages in all carry the name.
Who carried it
People named Lesniak,
with a public archive behind them.
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Glenn J. Lesniak 1954– -
Franciszek Leśniak 1922–2002 · writer
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Richard J. Lesniak 1939–2023 · politician
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Raymond Lesniak 1946– · lawyer
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Linda Lesniak 1948– · mathematician
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Milan Lesniak 1956– · animator
Wikidata and Wikimedia Commons (CC0) · 9 lives in all are documented under this name.
Nearby in the index
Surnames next to Lesniak.
- Lesage 1,847 · U.S. census
- 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
- Lesniewski 965 · 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
When the index is not enough
This page says where Lesniak 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.