The Caiazzo surname
In the 2010 U.S. Census, 867 people carried this name — #27,732 among all U.S. surnames, about 1 in every 344,800 people counted. That is up 22% from 710 in 2000.
What the name means
The meaning of the Caiazzo surname
A surname transferred from the place name.
Possibly from an unattested intermediate form Vulgar Latin *Caiatium, ultimately from Latin Caiatia. Maybe related to the nearby settlement of Ancient Greek Καιήτη (Kaiḗtē).
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Caiazzo» (Italian), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In France’s civil register
France’s register of deaths holds 78 people named Caiazzo.
26 of them were born outside France. Those born in France came from 7 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 Argentina’s national register
At least 71 people named Caiazzo 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.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where 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
32 people named Caiazzo live in Switzerland.
They live in 3 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.
Who carried it
People named Caiazzo,
with a public archive behind them.
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Lucariello 1977– · singer -
Giuseppe Caiazzo 1805–1883 · Catholic priest
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Paolo Caiazzo 1967– · actor
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Alfonso Caiazzo 1968– · surgeon
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John Kronus 1969–2007 · professional wrestler
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Alfonso Caiazzo 1979– · mathematician
Wikidata and Wikimedia Commons (CC0) · 8 lives in all are documented under this name.
Nearby in the index
Surnames next to Caiazzo.
- Caffarel 111 · U.S. census
- Cafiero 747 · U.S. census
- Cage 5,372 · U.S. census
- Cagnon 104 · U.S. census
- Cahen 131 · U.S. census
- Cahn 1,358 · U.S. census
- Cail 1,353 · U.S. census
- Caillet 176 · U.S. census
- Caillier 522 · U.S. census
- Caillouet 630 · U.S. census
- Cain 60,948 · U.S. census
- Caira 369 · U.S. census
When the index is not enough
This page says where Caiazzo 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.