The Claro surname
In the 2010 U.S. Census, 1,051 people carried this name — #24,001 among all U.S. surnames, about 1 in every 277,800 people counted. That is up 9% from 960 in 2000.
Where the name comes from
The origin of the Claro surname
Masculine form of Clara.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Claro» (Spanish), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Argentina’s national register
At least 1,428 people named Claro 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 63 people named Claro.
28 of them were born outside France. Those born in France came from 12 départements, most often Nord.
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
63 people named Claro live in Switzerland.
They live in 8 of Switzerland’s 26 cantons, most of all in Geneva.
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.
Nearby in the index
Surnames next to Claro.
- Clara 1,099 · U.S. census
- Clare 4,309 · U.S. census
- Clarey 911 · U.S. census
- Clarin 604 · U.S. census
- Clark 562,679 · U.S. census
- Clarke 68,281 · U.S. census
- Clary 11,139 · U.S. census
- Classen 1,900 · U.S. census
- Claud 601 · U.S. census
- Claude 2,033 · U.S. census
- Claudio 6,679 · U.S. census
- Claudy 203 · U.S. census
When the index is not enough
This page says where Claro 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.