The Gillen surname
In the 2010 U.S. Census, 8,462 people carried this name — #4,188 among all U.S. surnames, about 1 in every 34,800 people counted. That is up 5% from 8,054 in 2000.
In France’s civil register
France’s register of deaths holds 82 people named Gillen.
8 of them were born outside France. Those born in France came from 18 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.
In Belgium’s population register
At least 24 people named Gillen 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 Hainaut.
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
64 people named Gillen 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
Gillen in American newspapers,
1910–1920.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 38,438 pages in all carry the name.
Who carried it
People named Gillen,
with a public archive behind them.
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Simon Gillen 1855–1918 · judge -
Francis James Gillen 1855–1912 · anthropologist -
Sam Gillen 1867–1905 · baseball player -
Peter Paul Gillen 1858–1896 · politician
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Tom Gillen 1862–1889 · baseball player
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Charles Patrick Gillen 1876–1956 · politician
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Gillen.
- Giliberto 306 · U.S. census
- Gilis 104 · U.S. census
- Gill 74,948 · U.S. census
- Gilland 2,439 · U.S. census
- Gillard 4,099 · U.S. census
- Gille 814 · U.S. census
- Giller 946 · U.S. census
- Gilles 4,102 · U.S. census
- Gillet 586 · U.S. census
- Gillette 12,724 · U.S. census
- Gilli 134 · U.S. census
- Gilliard 4,198 · U.S. census
When the index is not enough
This page says where Gillen 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.