The Luiz surname
In the 2010 U.S. Census, 1,581 people carried this name — #17,726 among all U.S. surnames, about 1 in every 185,200 people counted. That is up 6% from 1,490 in 2000.
In Argentina’s national register
At least 378 people named Luiz 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 89 people named Luiz.
27 of them were born outside France. Those born in France came from 22 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
28 people named Luiz live in Switzerland.
They live in 6 of Switzerland’s 26 cantons, most of all in Valais.
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
Luiz in American newspapers,
1890–1920.
Chronicling America, Library of Congress — digitised newspapers in the public domain.
Nearby in the index
Surnames next to Luiz.
- Luengo 171 · U.S. census
- Lugan 130 · U.S. census
- Luginbuhl 418 · U.S. census
- Lugue 265 · U.S. census
- Luis 9,255 · U.S. census
- Luisi 1,105 · U.S. census
- Lujan 22,021 · U.S. census
- Lukas 3,930 · U.S. census
- Lukasik 1,629 · U.S. census
- Lukaszewski 618 · U.S. census
- Lukic 657 · U.S. census
- Lukowiak 136 · U.S. census
When the index is not enough
This page says where Luiz 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.