The Gagnon surname
In the 2010 U.S. Census, 21,208 people carried this name — #1,697 among all U.S. surnames, about 1 in every 13,900 people counted. That is up 3% from 20,567 in 2000.
Where the name comes from
The origin of the Gagnon surname
A surname, Gagnon of Québécois origin.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Gagnon» (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 535 people named Gagnon.
16 of them were born outside France. Those born in France came from 50 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 Switzerland’s population statistics
41 people named Gagnon live in Switzerland.
They live in 5 of Switzerland’s 26 cantons, most of all in Vaud.
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.
In print
Gagnon in American newspapers,
1909–1916.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 25,403 pages in all carry the name.
Who carried it
People named Gagnon,
with a public archive behind them.
-
Ernest Gagnon 1834–1915 · writer -
Philéas Gagnon 1854–1915 · tailor -
Alphonse-Osias Gagnon 1860–1941 · Catholic priest -
Bert C. Gagnon 1874– · actor-manager -
Clarence Gagnon 1881–1942 · painter
Wikidata and Wikimedia Commons (CC0) · 209 lives in all are documented under this name.
Nearby in the index
Surnames next to Gagnon.
When the index is not enough
This page says where Gagnon 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.