The Boi surname
In the 2010 U.S. Census, 177 people carried this name — #101,737 among all U.S. surnames, about 1 in every 1,666,700 people counted. That is down 5% from 186 in 2000.
In France’s civil register
France’s register of deaths holds 197 people named Boi.
69 of them were born outside France. Those born in France came from 23 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 Belgium’s population register
At least 62 people named Boi 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 West Flanders.
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.
In Switzerland’s population statistics
24 people named Boi live in Switzerland.
They live in 4 of Switzerland’s 26 cantons, most of all in Bern.
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/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
Who carried it
People named Boi,
with a public archive behind them.
-
Paolo Boi 1528–1598 · chess player -
Luciano Boi 1957– · epistemologist
-
Tullio Boi 1961– · blogger
-
Nani Boi 1983– · screenwriter
-
Bilith Boi 2009– · athletics competitor
Wikidata and Wikimedia Commons (CC0).
Nearby in the index
Surnames next to Boi.
- Bohn 9,272 · U.S. census
- Bohner 1,698 · U.S. census
- Bohnert 1,661 · U.S. census
- Bohr 1,779 · U.S. census
- Bohrer 2,933 · U.S. census
- Bohy 117 · U.S. census
- Boilard 356 · U.S. census
- Boileau 878 · U.S. census
- Boillat 147 · U.S. census
- Boillot 123 · U.S. census
- Boily 169 · U.S. census
- Boin 144 · U.S. census
When the index is not enough
This page says where Boi 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.