The Sirbu surname
In the 2010 U.S. Census, 217 people carried this name — #86,005 among all U.S. surnames, about 1 in every 1,428,600 people counted. That is up 49% from 146 in 2000.
In Switzerland’s population statistics
80 people named Sirbu live in Switzerland.
They live in 8 of Switzerland’s 26 cantons, most of all in Zurich.
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 66 people named Sirbu 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.
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 France’s civil register
France’s register of deaths holds 61 people named Sirbu.
16 of them were born outside France. Those born in France came from 5 départements, most often Pas-de-Calais.
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 the Nordic population registers
36 people named Sirbu is counted in Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published.
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).
Who carried it
People named Sirbu,
with a public archive behind them.
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Ion Sîrbu 1865–1922 · politician
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Marvin Sirbu 1945– · researcher
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Cristian Sirbu 1986– · rower
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Bianca Sirbu 2005– · basketball player
Wikidata (CC0).
Nearby in the index
Surnames next to Sirbu.
When the index is not enough
This page says where Sirbu 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.