The Proto surname
In the 2010 U.S. Census, 1,252 people carried this name — #21,009 among all U.S. surnames, about 1 in every 238,100 people counted. That is up 5% from 1,190 in 2000.
In Argentina’s national register
At least 367 people named Proto 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 France’s civil register
France’s register of deaths holds 121 people named Proto.
21 of them were born outside France. Those born in France came from 15 départements, most often Bouches-du-Rhône.
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
35 people named Proto live in Switzerland.
They live in 6 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.
Who carried it
People named Proto,
with a public archive behind them.
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Francesco Proto 1821–1892 · writer
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Enrico Proto 1866–1943 · merchant
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Andrea Proto Pisani 1939– · jurist
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Andrea Proto Pisani 1939– · jurist
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Frank Proto 1941– · composer
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Araceli N. Proto 1944–
Wikidata (CC0) · 7 lives in all are documented under this name.
Nearby in the index
Surnames next to Proto.
- Prosper 1,352 · U.S. census
- Prosperi 451 · U.S. census
- Prospero 508 · U.S. census
- Prost 824 · U.S. census
- Protano 148 · U.S. census
- Proteau 216 · U.S. census
- Proud 1,250 · U.S. census
- Prouhet 111 · U.S. census
- Prout 2,733 · U.S. census
- Provencal 857 · U.S. census
- Provence 913 · U.S. census
- Provenzano 3,712 · U.S. census
When the index is not enough
This page says where Proto 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.
