Find out how popular the last name Rioz is in the United States and learn more about the meaning, history, and race and ethnic origin of people in America who are named Rioz.

Rioz, like all of the last names we have data for, is identified by the U.S. Census Bureau as a surname which has more than 100 occurrences in the United States in the Decennial Census survey. The most recent statistics we have for the Rioz surname is from the 2010 census data.

Popularity of Rioz in America

Rioz is the 115639th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Rioz surname appeared 151 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 0 people would have the surname Rioz.

We can also compare 2010 data for Rioz to data from the previous census in 2000. The table below contains all of the statistics for both years in a side-by-side comparison.

The history of the last name Rioz

The surname "RIOZ" has its origins rooted in the Spanish region of Galicia, dating back to the 11th century. It is believed to have derived from the Spanish word "rio," meaning river, suggesting that the name may have been initially associated with individuals who lived near or worked in proximity to rivers.

One of the earliest recorded references to the name "RIOZ" can be found in the Codex Calixtinus, a 12th-century manuscript from the Santiago de Compostela Cathedral. This document mentions a nobleman named Gonzalo de Rioz, who was a prominent figure in the region during that time.

In the 13th century, the name appears in the Tumbo Negro de Santiago, an ancient cartulary that lists numerous landowners and tenants in the area. One notable entry is Fernando de Rioz, a wealthy landowner whose properties were located along the banks of the Miño River.

The name "RIOZ" also has ties to various place names in Galicia, such as Riozao, a small village in the municipality of Ribadavia. This connection suggests that the name may have originated as a toponymic surname, indicating the geographical origin of the family.

Throughout history, several individuals with the surname "RIOZ" have gained recognition for their achievements. One such figure is Pedro de Rioz (1545-1621), a renowned Spanish architect who designed several notable buildings in Madrid, including the Basilica of San Francisco el Grande.

Another notable bearer of the name is Andrés de Rioz (1680-1754), a Spanish painter known for his religious works and portraits. His paintings can be found in various churches and museums throughout Spain.

In the realm of literature, Juan de Rioz (1825-1892) was a Spanish poet and playwright who contributed significantly to the Romantic movement in Spain. His works, such as "El Trovador" and "La Vida es Sueño," are celebrated for their lyrical beauty and philosophical depth.

Moving forward, Emilia de Rioz (1888-1967) was a pioneering Spanish feminist and educator who fought for women's rights and established several educational institutions for girls in Madrid.

Lastly, Manuel de Rioz (1912-1998) was a Spanish composer and conductor who gained international recognition for his symphonic works and collaborations with renowned orchestras across Europe and the Americas.

Race and ethnic origin of people with the last name Rioz

We also have some data on the ancestry of people with the surname Rioz.

The below race categories are the modified race categories used in the Census Bureau's population estimates program. All people were categorized into six mutually exclusive racial and Hispanic origin groups:

1. White only
2. Black only
3. American Indian and Alaskan Native only
4. Asian and Pacific Islander only
5. Hispanic
6. Two or More Races

For the most recent 2010 census data, the race/ethnic origin breakdown for Rioz was:

Note: Any fields showing (S) means the data was suppressed for privacy so that the data does not in any way identify any specific individuals.

Since we have data from the previous census in 2000, we can also compare the values to see how the popularity of Rioz has changed in the 10 years between the two census surveys.

Data source

The last name data and ethnic breakdown of last names is sourced directly from the Decennial Census survey, conducted every 10 years by the United States Census Bureau.

The history and meaning of the name Rioz was researched and written by our team of onomatology and genealogy experts.

If you have a correction or suggestion to improve the history of Rioz, please contact us.

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