The Bui surname
In the 2010 U.S. Census, 28,919 people carried this name — #1,222 among all U.S. surnames, about 1 in every 10,200 people counted. That is up 39% from 20,852 in 2000.
In France’s civil register
France’s register of deaths holds 474 people named Bui.
Most of them — 396 — were born outside France. Those born in France came from 19 départements, most often Paris.
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
396 people named Bui live in Switzerland.
They live in 17 of Switzerland’s 26 cantons, most of all in Zurich.
Where it concentrates, on the mapWhere 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 175 people named Bui 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 Brussels-Capital.
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 Poland’s population register
125 people named Bui have a registered home in Poland.
Of the 854 in Poland’s national register, these are the ones with a permanent address on file. They live in 7 of Poland’s 16 voivodeships, most of all in Masovian.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
PESEL register, Ministry of Digital Affairs of Poland (dane.gov.pl) — CC0 · living people by voivodeship of permanent residence, 20 January 2026.
In the Nordic population registers
1,579 people named Bui are counted in Sweden, Norway and Finland.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published. Norway publishes only surnames with 200 or more bearers. Finland counts its citizens, at home or abroad.
Counted, by country
Own calculations based on data from Statistics Sweden (SCB), surnames with at least two bearers, 31 December 2022 — CC BY 4.0 (names with 20 or more bearers shown) · Statistics Norway (SSB, ssb.no), table 12891, 2025 — CC BY 4.0 · Digital and Population Data Services Agency (DVV), Finland, surname statistics, August 2026 — CC BY 4.0.
In print
Bui in American newspapers,
1903–1944.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 1,116,054 pages in all carry the name.
Who carried it
People named Bui,
with a public archive behind them.
-
Gianni Bui 1940– · association football coach -
Alain Bui 1969– · computer scientist -
Gwenegan Bui 1974– · politician -
Doan Bui 1974– · writer -
Kim Bui 1989– · gymnast -
Bùi Công Văn 1919–1998 · diplomat
Wikidata and Wikimedia Commons (CC0) · 35 lives in all are documented under this name.
Nearby in the index
Surnames next to Bui.
- Bugel 171 · U.S. census
- Bugni 369 · U.S. census
- Buhagiar 194 · U.S. census
- Buhl 2,515 · U.S. census
- Buhler 3,146 · U.S. census
- Buhr 2,452 · U.S. census
- Buis 1,257 · U.S. census
- Buisson 302 · U.S. census
- Bukowski 3,487 · U.S. census
- Bula 589 · U.S. census
- Bulan 213 · U.S. census
- Buland 134 · U.S. census
When the index is not enough
This page says where Bui 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.