The Lou surname
In the 2000 U.S. Census, 2,441 people carried this name — #11,758 among all U.S. surnames, about 1 in every 111,100 people counted.
In France’s civil register
France’s register of deaths holds 62 people named Lou.
Most of them — 34 — were born outside France. Those born in France came from 7 départements, most often Paris.
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 Switzerland’s population statistics
41 people named Lou live in Switzerland.
They live in 7 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.
Nearby in the index
Surnames next to Lou.
When the index is not enough
This page says where Lou 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.