The Ollier surname
In the 2000 U.S. Census, 200 people carried this name — #86,657 among all U.S. surnames, about 1 in every 1,428,600 people counted.
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In France’s civil register
France’s register of deaths holds 3,483 people named Ollier.
48 of them were born outside France. Those born in France came from 91 départements, most often Ardèche.
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
34 people named Ollier live in Switzerland.
They live in 6 of Switzerland’s 26 cantons, most of all in Geneva.
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 Ollier.
- Oliviero 247 · U.S. census
- Olivo 8,262 · U.S. census
- Olla 205 · U.S. census
- Olle 302 · U.S. census
- Oller 2,812 · U.S. census
- Ollie 1,196 · U.S. census
- Ollivier 219 · U.S. census
- Ollmann 170 · U.S. census
- Olmedo 3,816 · U.S. census
- Olmo 1,550 · U.S. census
- Olmos 6,985 · U.S. census
- Ols 225 · U.S. census
When the index is not enough
This page says where Ollier 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.