The Dillier surname
In the 2000 U.S. Census, 118 people carried this name — #132,259 among all U.S. surnames, about 1 in every 2,500,000 people counted.
In Switzerland’s population statistics
473 people named Dillier live in Switzerland.
They live in 16 of Switzerland’s 26 cantons, most of all in Obwalden.
Where it concentrates, on the mapWhere 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.
In France’s civil register
France’s register of deaths holds 54 people named Dillier.
2 of them were born outside France. Those born in France came from 14 départements, most often Moselle.
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.
Nearby in the index
Surnames next to Dillier.
- Dilger 886 · U.S. census
- Diliberto 1,148 · U.S. census
- Dill 18,215 · U.S. census
- Dillard 31,021 · U.S. census
- Dille 2,093 · U.S. census
- Diller 4,306 · U.S. census
- Dillinger 2,811 · U.S. census
- Dillmann 194 · U.S. census
- Dillon 50,465 · U.S. census
- Dilly 668 · U.S. census
- Dimanche 473 · U.S. census
- Dime 111 · U.S. census
When the index is not enough
This page says where Dillier 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.