Gennaro surname: U.S. census count, rank and records | FamilyCrests

The Gennaro surname

In the 2010 U.S. Census, 1,304 people carried this name — #20,382 among all U.S. surnames, about 1 in every 227,300 people counted. That is up 2% from 1,278 in 2000.

See Gennaro on the map Look up another surname

Share

Where the name comes from

The origin of the Gennaro surname

Borrowed from Italian Gennaro, from Latin Iānuārius.

From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Gennaro» (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 408 people named Gennaro 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 map

Where they live today

Buenos Aires Province 186
Córdoba 95
City of Buenos Aires 46
Santa Fe 45
Entre Ríos 20
Río Negro 16

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 147 people named Gennaro.

Most of them — 96 — were born outside France. Those born in France came from 17 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

Born outside France 96
Bouches-du-Rhône 7
Paris 6
Var 5
Alpes-Maritimes 5
Gironde 5
Rhône 3
Haute-Marne 3
Isère 3

Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.

In Switzerland’s population statistics

63 people named Gennaro live in Switzerland.

They live in 8 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

Zurich 18
Aargau 16
Ticino 7
Vaud 6
Geneva 5
St. Gallen 5
Basel-Landschaft 3
Schaffhausen 3

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 Gennaro,
with a public archive behind them.

  • Gennaro D'Andrea 1637–1710
  • Giorgio Gennaro 1866–1916 · presbyter
  • Andrea Gennaro 1878–1961 · Catholic priest
  • Andrea Gennaro 1878–1961 · Catholic priest
  • Marcel Gennaro 1888–1977 · composer
  • M. C. Gennaro 1901–

Wikidata (CC0) · 10 lives in all are documented under this name.

Nearby in the index

Surnames next to Gennaro.

When the index is not enough

This page says where Gennaro 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.

See what a volume holds
Scroll to Top