The Riojas surname

In the 2010 U.S. Census, 5,699 people carried this name — #6,030 among all U.S. surnames, about 1 in every 51,800 people counted. That is up 22% from 4,684 in 2000.

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In Argentina’s national register

At least 134 people named Riojas 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 City of Buenos Aires.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they live today

City of Buenos Aires 56
Buenos Aires Province 50
Salta 17
Jujuy 11

RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.

In print

Riojas in American newspapers,
1916.

Newspaper page from Evening Star carrying the name Riojas
Evening Star 1916-09-28
Newspaper page from Evening Star carrying the name Riojas
Evening Star 1916-04-12
Newspaper page from The Era-leader carrying the name Riojas
The Era-leader 1916-10-05

Chronicling America, Library of Congress — digitised newspapers in the public domain · 1,520 pages in all carry the name.

In the public record

People named Riojas,
in the records of the United States.

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 States208 records

208 records of the Riojas name in the United States
  • U.S. alien registration index, 1940–1955 102
  • U.S. veterans' cemetery records, burials to 2001 54
  • U.S. Army enlistment records, World War II 52
  1. A United States Selective Service registration card, 1942
    Example: U.S. registration card, 1942
    Military record Refugio Riojas

    Born 1924 in Texas. Enlisted 1943 at Fort Sam Houston; driver from Bexar County. U.S. Army veteran of World War II; died 2001, buried at Fort Sam Houston National Cemetery, Texas.

    U.S. National Archives, WWII Army Enlistment Records (public domain); U.S. Department of Veterans Affairs, Gravesite Locator (CC0)
  2. A U.S. Army record of death and interment, Camp Nelson, Kentucky, 1864
    Example: U.S. burial record, 1864
    Burial record Terrance Lee Riojas

    U.S. Marine Corps veteran of the Vietnam War. Born 1948, died 2001; buried at Riverside National Cemetery, California.

    U.S. Department of Veterans Affairs, Gravesite Locator (CC0)
  3. The receipt card sent under the U.S. Alien Registration Act of 1940
    Example: U.S. alien registration card, 1940s
    Alien registration Luz R. Riojas

    Born 1883 in Mexico. Registered as a foreign national in Maverick County, Texas, under the Alien Registration Act of 1940.

    U.S. National Archives, Flexoline Index Data File (public domain)

Showing 3 of 208 records for Riojas in the United States.

Counts: U.S. National Archives, Flexoline Index Data File (public domain) · U.S. Department of Veterans Affairs, Gravesite Locator (CC0) · U.S. National Archives, WWII Army Enlistment Records (public domain). 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).

When the index is not enough

This page says where Riojas 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.

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