The Guarino surname
In the 2010 U.S. Census, 6,775 people carried this name — #5,165 among all U.S. surnames, about 1 in every 43,500 people counted. That is up 2% from 6,632 in 2000.
What the name means
The meaning of the Guarino surname
Italian and Spanish surname, a personal name of Germanic origin, from the name Warino, Latinized as Guarinus, in turn based on *warin (“on guard”).
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Guarino» (English), 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 1,615 people named Guarino 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 Switzerland’s population statistics
342 people named Guarino live in Switzerland.
They live in 17 of Switzerland’s 26 cantons, most of all in Vaud.
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 France’s civil register
France’s register of deaths holds 152 people named Guarino.
Most of them — 104 — were born outside France. Those born in France came from 11 départements, most often Bouches-du-Rhône.
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 Belgium’s population register
At least 65 people named Guarino 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 Liège.
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.
In print
Guarino in American newspapers,
1908–1911.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 1,622 pages in all carry the name.
Who carried it
People named Guarino,
with a public archive behind them.
-
Francesco Guarino d. 1971 · lawyer -
Battista Guarino 1434–1503 · rhetorician -
Giuseppe Guarino 1827–1897 · Catholic priest -
Pasquale Guarino 1858–1901 · writer -
Pasquale Guarino 1858–1901 · writer
-
Alessandro Guarino 1563–1636 · writer
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Guarino.
- Gual 231 · U.S. census
- Gualandi 163 · U.S. census
- Gualano 242 · U.S. census
- Gualtieri 1,298 · U.S. census
- Guardia 705 · U.S. census
- Guardiola 2,889 · U.S. census
- Guarneri 718 · U.S. census
- Guarnieri 1,255 · U.S. census
- Guasch 184 · U.S. census
- Guasco 206 · U.S. census
- Guay 3,255 · U.S. census
- Gubert 129 · U.S. census
When the index is not enough
This page says where Guarino 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.