The Rahier surname
In the 2000 U.S. Census, 164 people carried this name — #101,654 among all U.S. surnames, about 1 in every 1,666,700 people counted.
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In Belgium’s population register
At least 384 people named Rahier 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 Liège.
Where it concentrates, on the mapWhere they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In France’s civil register
France’s register of deaths holds 161 people named Rahier.
9 of them were born outside France. Those born in France came from 25 départements, most often Ille-et-Vilaine.
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.
Nearby in the index
Surnames next to Rahier.
When the index is not enough
This page says where Rahier 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.