The Losson surname
In the 2010 U.S. Census, 190 people carried this name — #95,955 among all U.S. surnames, about 1 in every 1,666,700 people counted. That is down 3% from 196 in 2000.
In France’s civil register
France’s register of deaths holds 600 people named Losson.
7 of them were born outside France. Those born in France came from 28 départements, most often Moselle.
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 Belgium’s population register
At least 49 people named Losson live in Belgium.
Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in Hainaut.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
Nearby in the index
Surnames next to Losson.
When the index is not enough
This page says where Losson 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.