The Leis surname
In the 2000 U.S. Census, 2,757 people carried this name — #10,650 among all U.S. surnames, about 1 in every 98,000 people counted.
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In Poland’s population register
74 people named Leis have a registered home in Poland.
Of the 88 in Poland’s national register, these are the ones with a permanent address on file. They live in 6 of Poland’s 16 voivodeships, most of all in Kuyavian-Pomeranian.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where 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 Switzerland’s population statistics
62 people named Leis live in Switzerland.
They live in 9 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 · names with fewer than 3 bearers in a canton are not published.
In France’s civil register
France’s register of deaths holds 58 people named Leis.
8 of them were born outside France. Those born in France came from 8 départements, most often Moselle.
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 Leis.
- Leick 649 · U.S. census
- Leidinger 135 · U.S. census
- Leindecker 341 · U.S. census
- Leinen 909 · U.S. census
- Leiner 763 · U.S. census
- Leininger 4,107 · U.S. census
- Leiser 1,353 · U.S. census
- Leitao 496 · U.S. census
- Leite 2,315 · U.S. census
- Leitner 3,493 · U.S. census
- Leitz 1,131 · U.S. census
- Leix 150 · U.S. census
When the index is not enough
This page says where Leis 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.