The Boulay surname
In the 2000 U.S. Census, 1,326 people carried this name — #19,007 among all U.S. surnames, about 1 in every 204,100 people counted.
Free to read. No account, no sign-up.
In France’s civil register
France’s register of deaths holds 5,463 people named Boulay.
53 of them were born outside France. Those born in France came from 86 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 Switzerland’s population statistics
22 people named Boulay live in Switzerland.
They live in 3 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 Boulay.
- Boul 152 · U.S. census
- Boula 136 · U.S. census
- Boulais 427 · U.S. census
- Bouland 150 · U.S. census
- Boulanger 2,498 · U.S. census
- Boulas 125 · U.S. census
- Boule 502 · U.S. census
- Bouler 522 · U.S. census
- Boulet 974 · U.S. census
- Bouley 1,760 · U.S. census
- Boulier 477 · U.S. census
- Boulin 126 · U.S. census
When the index is not enough
This page says where Boulay 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.