The Tarnowski surname
In the 2000 U.S. Census, 1,555 people carried this name — #16,891 among all U.S. surnames, about 1 in every 172,400 people counted.
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In Poland’s population register
8,139 people named Tarnowski have a registered home in Poland.
Of the 8,981 in Poland’s national register, these are the ones with a permanent address on file. They live in all 16 of Poland’s voivodeships, most of all in Masovian.
Where it concentrates, on the mapWhere 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 61 people named Tarnowski.
15 of them were born outside France. Those born in France came from 19 départements, most often Nord.
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 Tarnowski.
- Tardi 203 · U.S. census
- Tardif 1,825 · U.S. census
- Tardy 1,499 · U.S. census
- Tari 187 · U.S. census
- Tarin 3,138 · U.S. census
- Taris 114 · U.S. census
- Taro 185 · U.S. census
- Taron 171 · U.S. census
- Tarpinian 305 · U.S. census
- Tarquini 178 · U.S. census
- Tarrago 113 · U.S. census
- Tarricone 278 · U.S. census
When the index is not enough
This page says where Tarnowski 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.