The Guerin surname
In the 2010 U.S. Census, 6,291 people carried this name — #5,525 among all U.S. surnames, about 1 in every 46,900 people counted. That is up 3% from 6,115 in 2000.
Where the name comes from
The origin of the Guerin surname
The municipality is named after physician and politician James John Edmund Guerin (1856–1932).
From Wiktionary, the free dictionary (en.wiktionary.org) — entries «Guerin» (English) and «Guérin» (French), 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 26,734 people named Guerin.
333 of them were born outside France. Those born in France came from 103 départements, most often Paris.
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 Ireland’s birth registers, 1890
Ireland registered 12 births for the Guerin name in 1890.
Most were registered in Munster. By the Registrar-General’s own method — births multiplied by 44.38 — that is about 500 people bearing the name in Ireland at the time. One of them was indexed under another spelling of the name. The Registrar-General’s note on the name: “Limerick.”
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they were born, 1890
Registrar-General for Ireland, «Special Report on Surnames in Ireland» (R. E. Matheson, 1894), births index of 1890 — public domain.
In Argentina’s national register
At least 367 people named Guerin 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 Santa Fe.
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
309 people named Guerin live in Switzerland.
They live in 8 of Switzerland’s 26 cantons, most of all in Valais.
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 Belgium’s population register
At least 202 people named Guerin 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.
Where it concentrates, on the mapWhere they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In print
Guerin in American newspapers,
1833–1930.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 29,713 pages in all carry the name.
Who carried it
People named Guerin,
with a public archive behind them.
-
Fitz W. Guerin 1846–1903 · photographer -
Eddie Guerin 1850–2000 · criminal -
James John Edmund Guerin 1856–1932 · physician -
Bella Guerin 1858–1923 · suffragette -
Jules Guerin 1866–1946 · painter
Wikidata and Wikimedia Commons (CC0) · 66 lives in all are documented under this name.
Nearby in the index
Surnames next to Guerin.
- Guenard 212 · U.S. census
- Guenin 277 · U.S. census
- Guenot 192 · U.S. census
- Guerard 511 · U.S. census
- Guerber 113 · U.S. census
- Guerci 132 · U.S. census
- Guerini 102 · U.S. census
- Guerra 70,071 · U.S. census
- Guerre 251 · U.S. census
- Guerreiro 508 · U.S. census
- Guerrero 128,677 · U.S. census
- Guerri 114 · U.S. census
When the index is not enough
This page says where Guerin 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.
