The Kasper surname
In the 2000 U.S. Census, 10,005 people carried this name — #3,287 among all U.S. surnames, about 1 in every 27,000 people counted.
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In Poland’s population register
725 people named Kasper have a registered home in Poland.
Of the 872 in Poland’s national register, these are the ones with a permanent address on file. They live in 14 of Poland’s 16 voivodeships, most of all in Greater Poland.
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 Switzerland’s population statistics
695 people named Kasper live in Switzerland.
They live in 20 of Switzerland’s 26 cantons, most of all in Zurich.
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 · names with fewer than 3 bearers in a canton are not published.
In France’s civil register
France’s register of deaths holds 163 people named Kasper.
21 of them were born outside France. Those born in France came from 18 départements, most often Bas-Rhin.
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 Kasper.
- Karr 9,635 · U.S. census
- Karrer 566 · U.S. census
- Karst 1,767 · U.S. census
- Kasbarian 150 · U.S. census
- Kaspar 1,898 · U.S. census
- Kasparian 777 · U.S. census
- Kasperski 475 · U.S. census
- Kasprzak 1,415 · U.S. census
- Kasprzyk 1,020 · U.S. census
- Kassa 971 · U.S. census
- Kassabian 397 · U.S. census
- Kassel 1,262 · U.S. census
When the index is not enough
This page says where Kasper 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.