The Kuczynski surname
In the 2000 U.S. Census, 1,528 people carried this name — #17,128 among all U.S. surnames, about 1 in every 175,400 people counted.
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In Poland’s population register
13,650 people named Kuczynski have a registered home in Poland.
Of the 15,247 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 93 people named Kuczynski.
31 of them were born outside France. Those born in France came from 13 départements, most often Pas-de-Calais.
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 Kuczynski.
- Kubler 408 · U.S. census
- Kuc 512 · U.S. census
- Kuca 186 · U.S. census
- Kucharski 2,432 · U.S. census
- Kuchler 645 · U.S. census
- Kuchta 1,899 · U.S. census
- Kuder 906 · U.S. census
- Kudla 1,010 · U.S. census
- Kuehn 7,139 · U.S. census
- Kuen 186 · U.S. census
- Kuentz 116 · U.S. census
- Kueny 398 · U.S. census
When the index is not enough
This page says where Kuczynski 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.