The Guiducci surname
In the 2010 U.S. Census, 117 people carried this name — #142,108 among all U.S. surnames, about 1 in every 2,500,000 people counted. That is up 2% from 115 in 2000.
In France’s civil register
France’s register of deaths holds 78 people named Guiducci.
20 of them were born outside France. Those born in France came from 15 départements, most often Corsica.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where 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 50 people named Guiducci 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 City of Buenos Aires.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where 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
27 people named Guiducci live in Switzerland.
They live in 4 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.
Nearby in the index
Surnames next to Guiducci.
- Guidi 1,384 · U.S. census
- Guidici 157 · U.S. census
- Guido 7,068 · U.S. census
- Guidon 101 · U.S. census
- Guidone 422 · U.S. census
- Guidotti 764 · U.S. census
- Guignard 401 · U.S. census
- Guijarro 981 · U.S. census
- Guilbault 904 · U.S. census
- Guilbeau 1,637 · U.S. census
- Guilbert 638 · U.S. census
- Guile 680 · U.S. census
When the index is not enough
This page says where Guiducci 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.