The Blot surname
In the 2010 U.S. Census, 338 people carried this name — #59,742 among all U.S. surnames, about 1 in every 909,100 people counted. That is up 27% from 266 in 2000.
In France’s civil register
France’s register of deaths holds 6,152 people named Blot.
42 of them were born outside France. Those born in France came from 90 départements, most often Sarthe.
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 46 people named Blot 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 Argentina’s national register
At least 34 people named Blot 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 Mendoza.
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 Poland’s population register
32 people named Blot have a registered home in Poland.
Of the 50 in Poland’s national register, these are the ones with a permanent address on file. They live in 2 of Poland’s 16 voivodeships, most of all in Silesian.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
PESEL register, Ministry of Digital Affairs of Poland (dane.gov.pl) — CC0 · living people by voivodeship of permanent residence, 20 January 2026.
In Switzerland’s population statistics
22 people named Blot live in Switzerland.
They live in 2 of Switzerland’s 26 cantons, most of all in Valais.
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 Blot.
- Blond 248 · U.S. census
- Blonde 256 · U.S. census
- Blondeau 261 · U.S. census
- Blondet 231 · U.S. census
- Blondin 1,212 · U.S. census
- Blosser 4,167 · U.S. census
- Blouin 2,474 · U.S. census
- Bloy 108 · U.S. census
- Bloyer 454 · U.S. census
- Bluem 138 · U.S. census
- Blum 17,458 · U.S. census
- Blume 5,826 · U.S. census
When the index is not enough
This page says where Blot 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.