The Alejo surname
In the 2010 U.S. Census, 6,339 people carried this name — #5,486 among all U.S. surnames, about 1 in every 46,500 people counted. That is up 55% from 4,081 in 2000.
In Argentina’s national register
At least 3,308 people named Alejo 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 25 people named Alejo.
9 of them were born outside France. Those born in France came from 9 départements, most often Seine-et-Marne.
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 Alejo live in Switzerland.
They live in 3 of Switzerland’s 26 cantons, most of all in Vaud.
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 print
Alejo in American newspapers,
1917–1927.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 7,597 pages in all carry the name.
In print
Alejo in Australian newspapers,
1930s–1980s.
99 articles name a Mr, Mrs or Miss Alejo. The most, 50, date from the 1930s.
Articles, by state
Trove, National Library of Australia (trove.nla.gov.au) · articles in its digitised newspapers that name a Mr, Mrs or Miss Alejo.
Who carried it
People named Alejo,
with a public archive behind them.
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Justo Alejo 1935–1979 · writer
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Justo Alejo 1936–1979 · writer
Wikidata (CC0) · 10 lives in all are documented under this name.
In the public record
People named Alejo,
in the records of 2 countries.
Soldiers, farmers, migrants and neighbours who carried the name and left a trace in public archives. Everyone shown here died long ago or was born more than a century ago.
United States134 records
- U.S. alien registration index, 1940–1955 111
- U.S. Army enlistment records, World War II 15
- U.S. veterans' cemetery records, burials to 2001 8
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Example: U.S. registration card, 1942 Military record Teodoro AlejoBorn 1901. Enlisted 1942 at Fort Jay Governors Island, New York; yardman from Bronx County. U.S. Army veteran of World War II; died 1951, buried at Long Island National Cemetery, New York.
U.S. National Archives, WWII Army Enlistment Records (public domain); U.S. Department of Veterans Affairs, Gravesite Locator (CC0) -
Example: U.S. burial record, 1864 Burial record Jesus Armando AlejoU.S. Air Force veteran. Born 1940, died 1998; buried at San Albino Cemetery, Mesilla, New Mexico.
U.S. Department of Veterans Affairs, Gravesite Locator (CC0) -
Example: U.S. alien registration card, 1940s Alien registration Filomena AlejoBorn 1885 in Mexico. Registered as a foreign national in Sacramento, California, under the Alien Registration Act of 1940.
U.S. National Archives, Flexoline Index Data File (public domain)
Showing 3 of 134 records for Alejo in the United States.
Counts: U.S. National Archives, Flexoline Index Data File (public domain) · U.S. National Archives, WWII Army Enlistment Records (public domain) · U.S. Department of Veterans Affairs, Gravesite Locator (CC0). Example pages, not the records of the people shown: U.S. Selective Service registration card, 1942 (public domain); Record of death and interment, Camp Nelson, Kentucky, 1864, U.S. National Archives (public domain); Alien Registration Receipt Card, Form AR-3, photo by Bobjgalindo via Wikimedia Commons (CC BY 4.0).
France8 records
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Example: French death register, 1930 Death record Millan AlejoBorn 1928 in Spain; died 1996 in Palaiseau (Essonne).
Insee, Fichier des personnes décédées (Licence Ouverte) -
Example: French death register, 1930 Death record Julia AlejoBorn 1906 in Spain; died 1998 in Gaillac (Tarn).
Insee, Fichier des personnes décédées (Licence Ouverte) -
Example: French death register, 1930 Death record Jose Manuel AlejoBorn 1977 in Thiers; died 2001 in Thiers (Puy-de-Dôme).
Insee, Fichier des personnes décédées (Licence Ouverte)
Showing 3 of 8 records for Alejo in France.
Counts: Insee, Fichier des personnes décédées (Licence Ouverte). Example pages, not the records of the people shown: Death register of Nice, 1930, Archives départementales des Alpes-Maritimes (public domain).
Nearby in the index
Surnames next to Alejo.
- Aldrich 17,509 · U.S. census
- Aldridge 23,034 · U.S. census
- Aledo 138 · U.S. census
- Alegre 2,022 · U.S. census
- Alegria 6,200 · U.S. census
- Alejandro 7,770 · U.S. census
- Aleksic 255 · U.S. census
- Alem 343 · U.S. census
- Aleman 22,927 · U.S. census
- Alemany 612 · U.S. census
- Aleo 314 · U.S. census
- Ales 623 · U.S. census
When the index is not enough
This page says where Alejo 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.