The Zajac surname
In the 2010 U.S. Census, 5,270 people carried this name — #6,444 among all U.S. surnames, about 1 in every 55,900 people counted. That is up 3% from 5,135 in 2000.
What the name means
The meaning of the Zajac surname
Polish Zając, from zając (“hare”), or Slovak, Sorbian, and Serbo-Croatian zajac ("hare").
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Zajac» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Poland’s population register
49,000 people named Zajac have a registered home in Poland.
Of the 53,491 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 Lesser 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 France’s civil register
France’s register of deaths holds 523 people named Zajac.
206 of them were born outside France. Those born in France came from 47 départements, most often Pas-de-Calais.
Where it concentrates, on the mapWhere 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 136 people named Zajac 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.
In Switzerland’s population statistics
96 people named Zajac live in Switzerland.
They live in 12 of Switzerland’s 26 cantons, most of all in Zurich.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Swiss Federal Statistical Office (FSO), «Surnames of the permanent resident population by canton», 2025, opendata.swiss/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
In Belgium’s population register
At least 29 people named Zajac live in Belgium.
Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in Antwerp.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In the Nordic population registers
181 people named Zajac is counted in Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published.
Counted, by country
Own calculations based on data from Statistics Sweden (SCB), surnames with at least two bearers, 31 December 2022 — CC BY 4.0 (names with 20 or more bearers shown).
In print
Zajac in American newspapers,
1915–1923.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 13,466 pages in all carry the name.
Who carried it
People named Zajac,
with a public archive behind them.
-
Peter Zajac 1946– · politician -
Yuri Zajac 1956– · sport cyclist -
Leanid Zajac 1958– · agronomist -
Richard Zajac 1976– · association football player -
Travis Zajac 1985– · ice hockey player -
Daniel Zajac 1804–1870 · parson
Wikidata and Wikimedia Commons (CC0) · 108 lives in all are documented under this name.
Nearby in the index
Surnames next to Zajac.
- Zahner 1,228 · U.S. census
- Zahra 589 · U.S. census
- Zaia 409 · U.S. census
- Zaid 552 · U.S. census
- Zaidi 2,851 · U.S. census
- Zaiter 173 · U.S. census
- Zak 5,177 · U.S. census
- Zakarian 754 · U.S. census
- Zaki 1,356 · U.S. census
- Zakrzewski 2,016 · U.S. census
- Zalewski 3,812 · U.S. census
- Zambelli 353 · U.S. census
When the index is not enough
This page says where Zajac 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.