The Caso surname
In the 2010 U.S. Census, 1,557 people carried this name — #17,951 among all U.S. surnames, about 1 in every 188,700 people counted. That is up 7% from 1,458 in 2000.
In Argentina’s national register
At least 1,141 people named Caso 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
105 people named Caso live in Switzerland.
They live in 13 of Switzerland’s 26 cantons, most of all in Thurgau.
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 France’s civil register
France’s register of deaths holds 67 people named Caso.
24 of them were born outside France. Those born in France came from 8 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.
Who carried it
People named Caso,
with a public archive behind them.
-
Beniamino Caso 1824–1883 · politician -
Alfonso Caso 1896–1970 · lawyer -
Cesare Caso 1903–1987 · painter -
Cesare Caso 1903–1987 · painter
-
Pasquale Caso 1871–1947 · politician
-
Giovanni Caso 1896–1958 · teacher
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Caso.
- Cases 139 · U.S. census
- Casile 113 · U.S. census
- Casimir 1,936 · U.S. census
- Casimiro 2,027 · U.S. census
- Casini 334 · U.S. census
- Casner 1,913 · U.S. census
- Casola 424 · U.S. census
- Casolari 182 · U.S. census
- Casoli 121 · U.S. census
- Caspar 321 · U.S. census
- Casper 12,351 · U.S. census
- Cassagne 147 · U.S. census
When the index is not enough
This page says where Caso 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.