The Alagna surname
In the 2010 U.S. Census, 623 people carried this name — #35,993 among all U.S. surnames, about 1 in every 476,200 people counted. That is up 7% from 583 in 2000.
In France’s civil register
France’s register of deaths holds 56 people named Alagna.
Most of them — 46 — were born outside France. Those born in France came from 5 départements, most often Bouches-du-Rhône.
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 35 people named Alagna 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
34 people named Alagna live in Switzerland.
They live in 5 of Switzerland’s 26 cantons, most of all in Solothurn.
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 Alagna,
with a public archive behind them.
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Rosario Alagna di Mozia 1720–1799 · archaeologist
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Rosario Alagna 1853–1924 · mathematician
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Vincenzo Alagna 1866–1931 · engineer
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Egidio Alagna 1935–2022 · politician
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Roberto Alagna 1963– · actor
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Roberto Alagna 1963– · actor
Wikidata (CC0) · 9 lives in all are documented under this name.
Nearby in the index
Surnames next to Alagna.
When the index is not enough
This page says where Alagna 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.