The Bun surname
In the 2010 U.S. Census, 1,458 people carried this name — #18,793 among all U.S. surnames, about 1 in every 204,100 people counted. That is up 37% from 1,065 in 2000.
Where the name comes from
The origin of the Bun surname
Derived from Khmer ប៉ុន (pon).
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Bun» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In France’s civil register
France’s register of deaths holds 69 people named Bun.
Most of them — 48 — were born outside France. Those born in France came from 13 départements, most often Pyrénées-Atlantiques.
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
55 people named Bun live in Switzerland.
They live in 5 of Switzerland’s 26 cantons, most of all in Lucerne.
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 Poland’s population register
36 people named Bun have a registered home in Poland.
Of the 144 in Poland’s national register, these are the ones with a permanent address on file. They live in 5 of Poland’s 16 voivodeships, most of all in Silesian.
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 Argentina’s national register
At least 23 people named Bun 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 Buenos Aires Province.
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.
Who carried it
People named Bun,
with a public archive behind them.
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Moritz Bun 1873–1940
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Jenny Alexander 1878–1943
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Maurice J. G. Bun 1971– · economist
Wikidata (CC0).
Nearby in the index
Surnames next to Bun.
When the index is not enough
This page says where Bun 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.