The Okonski surname
In the 2010 U.S. Census, 626 people carried this name — #35,866 among all U.S. surnames, about 1 in every 476,200 people counted. That is up 6% from 592 in 2000.
In Poland’s population register
2,838 people named Okonski have a registered home in Poland.
Of the 3,201 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 Kuyavian-Pomeranian.
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 53 people named Okonski.
13 of them were born outside France. Those born in France came from 11 départements, most often Seine-et-Marne.
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.
In Argentina’s national register
At least 22 people named Okonski live in Argentina.
RENAPER only publishes a name in a province when more than ten people there share it, so the real number is higher. Most of them live in Buenos Aires Province.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
Who carried it
People named Okonski,
with a public archive behind them.
-
Johanna Okonski 1873–1943
-
Ella Zwillenberg 1893–1940
Wikidata (CC0).
Nearby in the index
Surnames next to Okonski.
- Ohannessian 254 · U.S. census
- Ohayon 508 · U.S. census
- Ohl 2,016 · U.S. census
- Ohlmann 333 · U.S. census
- Ohmer 755 · U.S. census
- Ojeda 22,045 · U.S. census
- Olazabal 539 · U.S. census
- Olczak 370 · U.S. census
- Olejniczak 1,251 · U.S. census
- Olejnik 618 · U.S. census
- Olek 234 · U.S. census
- Oles 1,552 · U.S. census
When the index is not enough
This page says where Okonski 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.