The Triolo surname
In the 2010 U.S. Census, 1,514 people carried this name — #18,311 among all U.S. surnames, about 1 in every 196,100 people counted. That is up 2% from 1,488 in 2000.
What the name means
The meaning of the Triolo surname
Borrowed from Sicilian trìvulu (“obstacle, pain, suffering, tribulation”).
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Triolo» (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 165 people named Triolo 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
66 people named Triolo live in Switzerland.
They live in 10 of Switzerland’s 26 cantons, most of all in Vaud.
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 France’s civil register
France’s register of deaths holds 59 people named Triolo.
Most of them — 50 — were born outside France. Those born in France came from 4 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 29 people named Triolo 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.
In print
Triolo in American newspapers,
1902–1914.
Chronicling America, Library of Congress — digitised newspapers in the public domain.
Who carried it
People named Triolo,
with a public archive behind them.
-
Lucia Triolo 1949– · university teacher
-
Elisa Triolo 1981– · archaeologist
Wikidata (CC0).
Nearby in the index
Surnames next to Triolo.
- Trimbur 313 · U.S. census
- Trinca 260 · U.S. census
- Trindade 651 · U.S. census
- Trinh 15,392 · U.S. census
- Trinidad 13,474 · U.S. census
- Trinque 249 · U.S. census
- Triplet 523 · U.S. census
- Tripodi 1,369 · U.S. census
- Tripoli 1,100 · U.S. census
- Tristan 4,642 · U.S. census
- Tristani 220 · U.S. census
- Tritsch 383 · U.S. census
When the index is not enough
This page says where Triolo 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.