The Blaise surname
In the 2000 U.S. Census, 1,761 people carried this name — #15,317 among all U.S. surnames, about 1 in every 153,800 people counted.
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In France’s civil register
France’s register of deaths holds 4,620 people named Blaise.
113 of them were born outside France. Those born in France came from 99 départements, most often Vosges.
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 764 people named Blaise 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 Liège.
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 Switzerland’s population statistics
29 people named Blaise 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 · names with fewer than 3 bearers in a canton are not published.
Nearby in the index
Surnames next to Blaise.
- Blaes 321 · U.S. census
- Blaess 165 · U.S. census
- Blagojevic 224 · U.S. census
- Blain 4,456 · U.S. census
- Blaire 233 · U.S. census
- Blais 5,463 · U.S. census
- Blaising 117 · U.S. census
- Blaize 512 · U.S. census
- Blake 69,279 · U.S. census
- Blan 687 · U.S. census
- Blanc 2,794 · U.S. census
- Blanca 485 · U.S. census
When the index is not enough
This page says where Blaise 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.