The Guerra surname
In the 2010 U.S. Census, 70,071 people carried this name — #473 among all U.S. surnames, about 1 in every 4,210 people counted. That is up 28% from 54,575 in 2000.
What the name means
The meaning of the Guerra surname
From guerra (“war”).
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Guerra» (Spanish), 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 28,160 people named Guerra 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
1,017 people named Guerra live in Switzerland.
They live in 21 of Switzerland’s 26 cantons, most of all in Ticino.
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 745 people named Guerra.
343 of them were born outside France. Those born in France came from 56 départements, most often Alpes-Maritimes.
Where it concentrates, on the mapWhere 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 71 people named Guerra 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 the Nordic population registers
54 people named Guerra is counted in Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published.
Counted, by country
Own calculations based on data from Statistics Sweden (SCB), surnames with at least two bearers, 31 December 2022 — CC BY 4.0 (names with 20 or more bearers shown).
Who carried it
People named Guerra,
with a public archive behind them.
-
Guido Guerra 1220–1272 · politician -
Giovanni Guerra 1544–1618 · illustrator -
García Guerra 1545–1612 · Catholic priest -
Antoni Guerra the Elder 1634–1705 · artist -
Alessandro Guerra 1782–1862 · performing artist
Wikidata and Wikimedia Commons (CC0) · 186 lives in all are documented under this name.
Nearby in the index
Surnames next to Guerra.
- Guenot 192 · U.S. census
- Guerard 511 · U.S. census
- Guerber 113 · U.S. census
- Guerci 132 · U.S. census
- Guerin 6,291 · U.S. census
- Guerini 102 · U.S. census
- Guerre 251 · U.S. census
- Guerreiro 508 · U.S. census
- Guerrero 128,677 · U.S. census
- Guerri 114 · U.S. census
- Guerrier 3,372 · U.S. census
- Guerrieri 999 · U.S. census
When the index is not enough
This page says where Guerra 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.