Demarchi surname: meaning, census count and records | FamilyCrests

The Demarchi surname

In the 2010 U.S. Census, 518 people carried this name — #41,959 among all U.S. surnames, about 1 in every 555,600 people counted. That is up 11% from 466 in 2000.

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What the name means

The meaning of the Demarchi surname

A surname originating as a patronymic.

Patronymic surname from the personal name Marco.

From Wiktionary, the free dictionary (en.wiktionary.org) — entry «De Marchi» (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 3,196 people named Demarchi 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 Córdoba.

Where it concentrates, on the map

Where they live today

Córdoba 1,010
Santa Fe 692
Buenos Aires Province 619
Entre Ríos 205
City of Buenos Aires 181
Corrientes 147
Mendoza 81
La Pampa 63

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 227 people named Demarchi.

55 of them were born outside France. Those born in France came from 24 départements, most often Bouches-du-Rhône.

Where it concentrates, on the map

Where they were born

Born outside France 55
Bouches-du-Rhône 41
Alpes-Maritimes 32
Haute-Savoie 21
Rhône 11
Var 11
Savoie 8
Paris 7
Côte-d’Or 5

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

In Switzerland’s population statistics

194 people named Demarchi live in Switzerland.

They live in 8 of Switzerland’s 26 cantons, most of all in Ticino.

Where it concentrates, on the map

Where they live today

Ticino 111
Zurich 27
Vaud 21
Geneva 15
St. Gallen 10
Bern 4
Neuchâtel 3
Valais 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.

In print

Demarchi in American newspapers,
1862–1959.

Newspaper page from Sunday Dispatch carrying the name Demarchi
Sunday Dispatch 1862-04-20
Newspaper page from The Willimantic Journal carrying the name Demarchi
The Willimantic Journal 1897-11-05
Newspaper page from The Montgomery Advertiser carrying the name Demarchi
The Montgomery Advertiser 1901-06-26

Chronicling America, Library of Congress — digitised newspapers in the public domain · 386 pages in all carry the name.

Who carried it

People named Demarchi,
with a public archive behind them.

  • Alfredo Demarchi
    Alfredo Demarchi 1857–1937 · engineer
  • Níura Demarchi
    Níura Demarchi 1963– · lawyer
  • Giovanni Antonio Demarchi 1764–1850 · architect
  • Giovanni Demarchi 1802–1886 · physician
  • Agostino Demarchi 1813–1890 · politician
  • Santiago Demarchi 1900–2000 · association football player

Wikidata and Wikimedia Commons (CC0) · 23 lives in all are documented under this name.

Nearby in the index

Surnames next to Demarchi.

When the index is not enough

This page says where Demarchi 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
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