The Lech surname
In the 2000 U.S. Census, 1,286 people carried this name — #19,445 among all U.S. surnames, about 1 in every 208,300 people counted.
In Poland’s population register
12,660 people named Lech have a registered home in Poland.
Of the 13,897 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 86 people named Lech.
Most of them — 48 — 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.
Nearby in the index
Surnames next to Lech.
- Lebreton 484 · U.S. census
- Lebreux 142 · U.S. census
- Lebrun 3,432 · U.S. census
- Leca 182 · U.S. census
- Lecca 108 · U.S. census
- Lecesne 111 · U.S. census
- Lechene 133 · U.S. census
- Lecher 748 · U.S. census
- Lechien 148 · U.S. census
- Lechner 4,092 · U.S. census
- Leclair 7,836 · U.S. census
- Leclaire 2,718 · U.S. census
When the index is not enough
This page says where Lech 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.