The Lerche surname
In the 2010 U.S. Census, 304 people carried this name — #65,244 among all U.S. surnames, about 1 in every 1,000,000 people counted. That is down 2% from 311 in 2000.
In France’s civil register
France’s register of deaths holds 164 people named Lerche.
1 of them were born outside France. Those born in France came from 23 départements, most often Nord.
Where it concentrates, on the mapWhere 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 93 people named Lerche 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 Santa Fe.
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 Poland’s population register
65 people named Lerche have a registered home in Poland.
Of the 80 in Poland’s national register, these are the ones with a permanent address on file. They live in 3 of Poland’s 16 voivodeships, most of all in Opole.
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 the Nordic population registers
25 people named Lerche is counted in Finland.
Finland counts its citizens, at home or abroad.
Counted, by country
Digital and Population Data Services Agency (DVV), Finland, surname statistics, August 2026 — CC BY 4.0.
Nearby in the index
Surnames next to Lerche.
- Leppert 2,030 · U.S. census
- Lepre 683 · U.S. census
- Leprevost 115 · U.S. census
- Lepri 187 · U.S. census
- Leray 305 · U.S. census
- Lerch 3,674 · U.S. census
- Lere 105 · U.S. census
- Lerebours 166 · U.S. census
- Leriche 406 · U.S. census
- Lerner 7,672 · U.S. census
- Lerouge 188 · U.S. census
- Leroux 3,115 · U.S. census
When the index is not enough
This page says where Lerche 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.