The Loi surname
In the 2000 U.S. Census, 985 people carried this name — #23,922 among all U.S. surnames, about 1 in every 270,300 people counted.
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In France’s civil register
France’s register of deaths holds 216 people named Loi.
Most of them — 117 — were born outside France. Those born in France came from 27 départements, most often Bouches-du-Rhône.
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
102 people named Loi live in Switzerland.
They live in 13 of Switzerland’s 26 cantons, most of all in Vaud.
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 Belgium’s population register
At least 77 people named Loi 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 Loi.
- Logghe 105 · U.S. census
- Logie 450 · U.S. census
- Login 167 · U.S. census
- Lohmann 1,971 · U.S. census
- Lohner 419 · U.S. census
- Lohr 6,506 · U.S. census
- Loiacono 1,619 · U.S. census
- Loignon 137 · U.S. census
- Loiseau 687 · U.S. census
- Loisel 405 · U.S. census
- Loiselle 1,925 · U.S. census
- Loll 517 · U.S. census
When the index is not enough
This page says where Loi 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.