Blas surname: meaning, census count and records | FamilyCrests

The Blas surname

In the 2010 U.S. Census, 3,612 people carried this name — #9,045 among all U.S. surnames, about 1 in every 82,000 people counted. That is up 21% from 2,985 in 2000.

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What the name means

The meaning of the Blas surname

A surname transferred from the given name.

Semi-learned borrowing from Latin Blasius.

From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Blas» (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 1,978 people named Blas 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 map

Where they live today

Buenos Aires Province 850
City of Buenos Aires 337
Córdoba 215
Jujuy 139
Salta 130
Chubut 72
Santa Fe 72
Mendoza 43

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 876 people named Blas.

44 of them were born outside France. Those born in France came from 40 départements, most often Nord.

Where it concentrates, on the map

Where they were born

Born outside France 44
Nord 566
Pas-de-Calais 46
Paris 37
La Réunion 31
Aisne 16
Somme 13
Hérault 11
Marne 9

Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.

In Poland’s population register

408 people named Blas have a registered home in Poland.

Of the 468 in Poland’s national register, these are the ones with a permanent address on file. They live in 12 of Poland’s 16 voivodeships, most of all in Subcarpathian.

Where it concentrates, on the map

Where they live today

Subcarpathian 92
Silesian 83
Lesser Poland 75
Lower Silesian 47
Kuyavian-Pomeranian 46
Lublin 18
Pomeranian 16
Greater Poland 12

PESEL register, Ministry of Digital Affairs of Poland (dane.gov.pl) — CC0 · living people by voivodeship of permanent residence, 20 January 2026.

In Switzerland’s population statistics

27 people named Blas live in Switzerland.

They live in 5 of Switzerland’s 26 cantons, most of all in Zurich.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they live today

Zurich 9
Geneva 6
Appenzell Ausserrhoden 5
Bern 4
Thurgau 3

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 print

Blas in American newspapers,
1867–1905.

Newspaper page from St. Tammany Farmer carrying the name Blas
St. Tammany Farmer 1902-08-16
Newspaper page from Westliche Blätter carrying the name Blas
Westliche Blätter 1867-07-28
Newspaper page from The Mirror And Farmer carrying the name Blas
The Mirror And Farmer 1905-12-28

Chronicling America, Library of Congress — digitised newspapers in the public domain · 610,328 pages in all carry the name.

Who carried it

People named Blas,
with a public archive behind them.

  • Oscar Blas
    Oscar Blas 1949–1982 · military personnel
  • Florencio José de Blas y Quesada 1690–1754 · printer
  • René Blas 1906–1990 · politician
  • Bernard Blas 1925–2020 · businessperson
  • Chinka Blas 1933–
  • Manuel De Blas 1941– · actor

Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.

Nearby in the index

Surnames next to Blas.

When the index is not enough

This page says where Blas 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.

See what a volume holds
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