The Alessi surname
In the 2010 U.S. Census, 3,372 people carried this name — #9,628 among all U.S. surnames, about 1 in every 87,700 people counted. That is up 1% from 3,334 in 2000.
What the name means
The meaning of the Alessi surname
A surname originating as a patronymic.
From the personal name Alessio.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Alessi» (Italian), 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 843 people named Alessi 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 290 people named Alessi.
145 of them were born outside France. Those born in France came from 23 départements, most often Alpes-Maritimes.
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
171 people named Alessi live in Switzerland.
They live in 12 of Switzerland’s 26 cantons, most of all in Ticino.
Where it concentrates, on the mapWhere 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 170 people named Alessi 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.
Where it concentrates, on the mapWhere they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In print
Alessi in American newspapers,
1907–1909.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 1,210 pages in all carry the name.
Who carried it
People named Alessi,
with a public archive behind them.
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Mario Alessi 1854–1928 · lawyer -
Galeazzo Alessi 1512–1573 · architect
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Niccolò Alessi 1513–1585 · friar
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Giovanni Alessi 1540–1583 · bookseller
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Isidoro Alessi 1712–1799 · historian
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Gaetano Alessi 1750–1819 · historian
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Alessi.
- Aleo 314 · U.S. census
- Ales 623 · U.S. census
- Alesi 796 · U.S. census
- Alessandra 314 · U.S. census
- Alessandri 232 · U.S. census
- Alessandrini 523 · U.S. census
- Alessio 911 · U.S. census
- Alex 5,476 · U.S. census
- Alexander 204,621 · U.S. census
- Alexandre 4,675 · U.S. census
- Alexanian 402 · U.S. census
- Alexis 6,915 · U.S. census
When the index is not enough
This page says where Alessi 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.