The Guillot surname
In the 2010 U.S. Census, 4,457 people carried this name — #7,473 among all U.S. surnames, about 1 in every 66,200 people counted. That is up 2% from 4,371 in 2000.
What the name means
The meaning of the Guillot surname
A surname transferred from the nickname, equivalent to English Gillet, Gillett, Gillette, Willet, Willett, or Willette.
Guille/Guill (“Will”) + -ot. diminutive of Guillaume (“William”)
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Guillot» (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 14,581 people named Guillot.
123 of them were born outside France. Those born in France came from 101 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 Argentina’s national register
At least 490 people named Guillot 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
120 people named Guillot live in Switzerland.
They live in 8 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 Belgium’s population register
At least 37 people named Guillot 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 print
Guillot in American newspapers,
1877–1913.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 9,439 pages in all carry the name.
Who carried it
People named Guillot,
with a public archive behind them.
-
Jean-Baptiste André Guillot 1827–1893 · rose breeder -
Alcide Pierre Grandguillot 1829–1891 · editor-in-chief -
Jean-Pierre-François Guillot-Duhamel 1730–1816 · engineer
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François Gilles Guillot 1759–1818 · aristocrat
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Abel Joseph Guillot 1760–1827 · military officer
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Jean-Baptiste Guillot 1803–1882
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Guillot.
- Guillemin 108 · U.S. census
- Guillen 30,153 · U.S. census
- Guillermo 3,393 · U.S. census
- Guillet 568 · U.S. census
- Guilliot 109 · U.S. census
- Guillory 15,161 · U.S. census
- Guillotte 992 · U.S. census
- Guillou 119 · U.S. census
- Guilmain 173 · U.S. census
- Guilmet 192 · U.S. census
- Guimaraes 1,242 · U.S. census
- Guimond 1,749 · U.S. census
When the index is not enough
This page says where Guillot 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.