The Auclair surname
In the 2010 U.S. Census, 1,346 people carried this name — #19,933 among all U.S. surnames, about 1 in every 217,400 people counted. That is down 1% from 1,357 in 2000.
Where the name comes from
The origin of the Auclair surname
From French Auclair
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Auclair» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In France’s civil register
France’s register of deaths holds 2,437 people named Auclair.
10 of them were born outside France. Those born in France came from 67 départements, most often Allier.
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
23 people named Auclair live in Switzerland.
They live in 5 of Switzerland’s 26 cantons, most of all in Neuchâtel.
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 Auclair.
- Aubert 1,327 · U.S. census
- Aubertin 252 · U.S. census
- Aubin 3,433 · U.S. census
- Auble 660 · U.S. census
- Aubourg 252 · U.S. census
- Aubry 1,703 · U.S. census
- Aucoin 4,989 · U.S. census
- Auda 100 · U.S. census
- Audas 357 · U.S. census
- Aude 342 · U.S. census
- Audet 2,173 · U.S. census
- Audibert 308 · U.S. census
When the index is not enough
This page says where Auclair 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.