The Lazzaro surname
In the 2010 U.S. Census, 2,547 people carried this name — #12,221 among all U.S. surnames, about 1 in every 116,300 people counted. That is up 13% from 2,246 in 2000.
In Argentina’s national register
At least 1,425 people named Lazzaro 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 123 people named Lazzaro.
Most of them — 66 — were born outside France. Those born in France came from 21 départements, most often Calvados.
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
105 people named Lazzaro live in Switzerland.
They live in 10 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
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 Belgium’s population register
At least 49 people named Lazzaro live in Belgium.
Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in Hainaut.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
Nearby in the index
Surnames next to Lazzaro.
- Lazaro 9,061 · U.S. census
- Lazarus 4,410 · U.S. census
- Lazic 447 · U.S. census
- Lazier 327 · U.S. census
- Lazzari 671 · U.S. census
- Lazzarini 373 · U.S. census
- Lazzaroni 119 · U.S. census
- Lazzarotto 134 · U.S. census
- Lazzeri 241 · U.S. census
- Lazzerini 118 · U.S. census
- Le 110,967 · U.S. census
- Lea 9,180 · U.S. census
When the index is not enough
This page says where Lazzaro 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.