The Moi surname
In the 2010 U.S. Census, 358 people carried this name — #56,972 among all U.S. surnames, about 1 in every 833,300 people counted. That is up 1% from 356 in 2000.
In France’s civil register
France’s register of deaths holds 96 people named Moi.
21 of them were born outside France. Those born in France came from 14 départements, most often Charente-Maritime.
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 Argentina’s national register
At least 28 people named Moi live in Argentina.
RENAPER only publishes a name in a province when more than ten people there share it, so the real number is higher. Most of them live in Mendoza.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
In Switzerland’s population statistics
22 people named Moi live in Switzerland.
They live in 4 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/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
In Belgium’s population register
At least 20 people named Moi 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.
In the Nordic population registers
638 people named Moi is counted in Norway.
Norway publishes only surnames with 200 or more bearers.
Counted, by country
Statistics Norway (SSB, ssb.no), table 12891, 2025 — CC BY 4.0.
Who carried it
People named Moi,
with a public archive behind them.
-
Erling Moi 1918–1944 · military personnel
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Daniel arap Moi 1924–2020 · politician
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Per E. Moi 1932–2017 · politician
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Harald Moi 1942– · physician
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Toril Moi 1953– · literary historian
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Stephen Moi 1954– · boxer
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Moi.
- Mohammad 5,639 · U.S. census
- Mohammed 15,132 · U.S. census
- Mohan 6,188 · U.S. census
- Mohler 6,506 · U.S. census
- Mohn 3,129 · U.S. census
- Mohr 17,180 · U.S. census
- Moine 150 · U.S. census
- Moisa 336 · U.S. census
- Moisan 540 · U.S. census
- Moisant 227 · U.S. census
- Moise 4,230 · U.S. census
- Moison 113 · U.S. census
When the index is not enough
This page says where Moi 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.