The Kagan surname
In the 2000 U.S. Census, 2,918 people carried this name — #10,152 among all U.S. surnames, about 1 in every 92,600 people counted.
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In Poland’s population register
252 people named Kagan have a registered home in Poland.
Of the 326 in Poland’s national register, these are the ones with a permanent address on file. They live in 9 of Poland’s 16 voivodeships, most of all in Subcarpathian.
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 82 people named Kagan.
26 of them were born outside France. Those born in France came from 12 départements, most often Paris.
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 Kagan.
When the index is not enough
This page says where Kagan 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.