The Loza surname
In the 2010 U.S. Census, 9,011 people carried this name — #3,949 among all U.S. surnames, about 1 in every 32,800 people counted. That is up 35% from 6,665 in 2000.
In Argentina’s national register
At least 11,763 people named Loza 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 Poland’s population register
1,362 people named Loza have a registered home in Poland.
Of the 1,859 in Poland’s national register, these are the ones with a permanent address on file. They live in 15 of Poland’s 16 voivodeships, most of all in Subcarpathian.
Where it concentrates, on the mapWhere they live today
PESEL register, Ministry of Digital Affairs of Poland (dane.gov.pl) — CC0 · living people by voivodeship of permanent residence, 20 January 2026.
In France’s civil register
France’s register of deaths holds 86 people named Loza.
15 of them were born outside France. Those born in France came from 20 départements, most often Martinique.
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
33 people named Loza 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.
In print
Loza in American newspapers,
1927–1930.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 16,657 pages in all carry the name.
Who carried it
People named Loza,
with a public archive behind them.
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Celestino Loza 1864–1921 · Catholic priest
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Cristina Loza 1901– · writer
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Rodolfo Loza 1933– · athlete
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David Loza Fernández 1935– · dentist
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Tulio Loza 1936– · actor
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Yaroslav Loza 1936– · sculptor
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Loza.
When the index is not enough
This page says where Loza 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.