The Thier surname
In the 2000 U.S. Census, 621 people carried this name — #34,503 among all U.S. surnames, about 1 in every 434,800 people counted.
Free to read. No account, no sign-up.
In Poland’s population register
65 people named Thier have a registered home in Poland.
Of the 70 in Poland’s national register, these are the ones with a permanent address on file. They live in 5 of Poland’s 16 voivodeships, most of all in Lesser Poland.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
PESEL register, Ministry of Digital Affairs of Poland (dane.gov.pl) — CC0 · living people by voivodeship of permanent residence, 20 January 2026.
In France’s civil register
France’s register of deaths holds 57 people named Thier.
4 of them were born outside France. Those born in France came from 14 départements, most often Hautes-Alpes.
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 Thier.
- Thiebaut 122 · U.S. census
- Thiel 9,432 · U.S. census
- Thiele 4,447 · U.S. census
- Thielen 2,671 · U.S. census
- Thieme 1,853 · U.S. census
- Thien 665 · U.S. census
- Thierry 1,360 · U.S. census
- Thiers 266 · U.S. census
- Thiery 453 · U.S. census
- Thies 4,174 · U.S. census
- Thiesse 341 · U.S. census
- Thill 2,730 · U.S. census
When the index is not enough
This page says where Thier 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.