The Cilia surname
In the 2010 U.S. Census, 454 people carried this name — #46,811 among all U.S. surnames, about 1 in every 666,700 people counted. That is up 15% from 395 in 2000.
In Argentina’s national register
At least 342 people named Cilia 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.
Where it concentrates, on the mapWhere they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
In France’s civil register
France’s register of deaths holds 228 people named Cilia.
Most of them — 159 — were born outside France. Those born in France came from 22 départements, most often Haute-Saône.
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 Switzerland’s population statistics
22 people named Cilia live in Switzerland.
They live in 4 of Switzerland’s 26 cantons, most of all in Bern.
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.
Who carried it
People named Cilia,
with a public archive behind them.
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Leli Cilia ta' Żabett 1889–1967 · soldier
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Louis Cilia 1943–2022 · writer
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Renzo Cilia 1945– · priest
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Lucio Cilia 1954– · Catholic priest
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Daniel Cilia 1963– · photographer
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Trevor Cilia 1983– · association football coach
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Cilia.
- Cichy 881 · U.S. census
- Cid 2,975 · U.S. census
- Ciesielski 1,555 · U.S. census
- Ciesla 1,237 · U.S. census
- Cieslak 1,746 · U.S. census
- Cieslik 501 · U.S. census
- Cilli 267 · U.S. census
- Cima 558 · U.S. census
- Cimino 4,897 · U.S. census
- Cimmino 556 · U.S. census
- Cinar 286 · U.S. census
- Cinelli 993 · U.S. census
When the index is not enough
This page says where Cilia 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.