The Prospero surname
In the 2010 U.S. Census, 508 people carried this name — #42,640 among all U.S. surnames, about 1 in every 588,200 people counted. That is up 28% from 396 in 2000.
In Argentina’s national register
At least 259 people named Prospero 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 Mendoza.
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 64 people named Prospero.
18 of them were born outside France. Those born in France came from 12 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
56 people named Prospero live in Switzerland.
They live in 7 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 Prospero,
with a public archive behind them.
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Michele Prospero 1959– · philosopher
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Simone Prospero 1972– · forestry scientist
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Joe Prospero 1988– · actor
Wikidata (CC0).
Nearby in the index
Surnames next to Prospero.
- Prokop 3,015 · U.S. census
- Prola 133 · U.S. census
- Pron 178 · U.S. census
- Prophete 1,219 · U.S. census
- Prosper 1,352 · U.S. census
- Prosperi 451 · U.S. census
- Prost 824 · U.S. census
- Protano 148 · U.S. census
- Proteau 216 · U.S. census
- Proto 1,252 · U.S. census
- Proud 1,250 · U.S. census
- Prouhet 111 · U.S. census
When the index is not enough
This page says where Prospero 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.