The Erba surname
In the 2010 U.S. Census, 167 people carried this name — #106,570 among all U.S. surnames, about 1 in every 1,666,700 people counted. That is down 5% from 175 in 2000.
In France’s civil register
France’s register of deaths holds 182 people named Erba.
48 of them were born outside France. Those born in France came from 26 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 Argentina’s national register
At least 174 people named Erba 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.
Where it concentrates, on the mapWhere 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
100 people named Erba live in Switzerland.
They live in 10 of Switzerland’s 26 cantons, most of all in Ticino.
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 32 people named Erba 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.
Who carried it
People named Erba,
with a public archive behind them.
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Carlo Erba 1811–1888 · entrepreneur -
Giuseppe Bartolomeo Erba 1819–1895 · engineer -
Giuseppe Bartolomeo Erba 1819–1895 · engineer
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Benedetto Erba d. 1577 · Catholic priest
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Alessandro Erba 1599–1670
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Alessandro Maria Erba 1677–1757 · aristocrat
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Erba.
- Ephrem 436 · U.S. census
- Epp 2,127 · U.S. census
- Eppinger 1,126 · U.S. census
- Epstein 12,952 · U.S. census
- Erard 201 · U.S. census
- Erb 9,060 · U.S. census
- Erbland 199 · U.S. census
- Erbs 206 · U.S. census
- Ercolani 342 · U.S. census
- Ercole 380 · U.S. census
- Ercoli 265 · U.S. census
- Erdem 228 · U.S. census
When the index is not enough
This page says where Erba 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.