The Gregor surname
In the 2010 U.S. Census, 4,180 people carried this name — #7,915 among all U.S. surnames, about 1 in every 70,400 people counted. That is up 1% from 4,158 in 2000.
In Poland’s population register
439 people named Gregor have a registered home in Poland.
Of the 510 in Poland’s national register, these are the ones with a permanent address on file. They live in 15 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
80 people named Gregor live in Switzerland.
They live in 9 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 France’s civil register
France’s register of deaths holds 56 people named Gregor.
15 of them were born outside France. Those born in France came from 10 départements, most often Nord.
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 29 people named Gregor 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 the Nordic population registers
59 people named Gregor 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
Gregor in American newspapers,
1878–1914.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 255,051 pages in all carry the name.
Who carried it
People named Gregor,
with a public archive behind them.
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William Gregor 1761–1817 · geologist -
Čeněk Gregor 1847–1917 · politician -
Christian Gregor 1723–1801 · composer
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Francis Gregor 1760–1815 · politician
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Francis Gregor 1760–1815 · politician
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Gordon William Francis Gregor 1789–1865
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Gregor.
- Greco 17,150 · U.S. census
- Greder 139 · U.S. census
- Green 430,182 · U.S. census
- Greff 516 · U.S. census
- Grego 1,126 · U.S. census
- Gregoire 5,757 · U.S. census
- Gregori 461 · U.S. census
- Gregorio 5,228 · U.S. census
- Gregory 91,384 · U.S. census
- Greil 125 · U.S. census
- Grein 762 · U.S. census
- Greiner 8,935 · U.S. census
When the index is not enough
This page says where Gregor 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.