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

Riascos, 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 Riascos surname is from the 2010 census data.

Popularity of Riascos in America

Riascos is the 51396th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Riascos surname appeared 405 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 Riascos.

We can also compare 2010 data for Riascos 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 Riascos

The surname Riascos has its origins tracing back to the region of Galicia, located in the northwestern part of Spain. The name is believed to have derived from a Spanish place name, likely a small village or hamlet, during the medieval period.

Some sources suggest that the name Riascos may have been derived from the Galician word "ria," which refers to a coastal inlet or estuary. This connection could indicate that the original bearers of the surname may have lived in a settlement near a ria or inlet along the rugged Galician coastline.

Historical records from the 13th and 14th centuries mention individuals with variations of the Riascos surname, such as Riacos, Riaco, and Riasgo. These early mentions provide evidence that the name has existed for several centuries and has undergone slight spelling variations over time.

One of the earliest recorded instances of the Riascos surname can be found in the "Libro de las Behetrías de Castilla," a 14th-century document that recorded landholdings and vassalage in the region of Castile. The document mentions a certain Pedro Riascos, who held lands in the village of Villaescusa.

In the 16th century, a notable figure bearing the Riascos surname was Juan Riascos, a Spanish explorer and navigator who accompanied Hernán Cortés on his expedition to Mexico in 1519. Juan Riascos played a significant role in the conquest of Mexico and is mentioned in several historical accounts from that period.

Another prominent individual with the Riascos surname was Beatriz Riascos, a Spanish noblewoman who lived during the 17th century. She was known for her philanthropic contributions and was a patron of the arts, supporting various artists and cultural initiatives in her time.

In the 18th century, Francisco Riascos was a renowned Spanish architect who designed several notable buildings and churches in the cities of Madrid and Seville. His work showcased the Baroque and Neoclassical architectural styles prevalent during that era.

During the 19th century, José Riascos was a celebrated Spanish painter known for his portraiture and landscapes. He studied at the renowned Royal Academy of Fine Arts of San Fernando in Madrid and gained recognition for his masterful use of color and light in his works.

These examples illustrate the long and diverse history of the Riascos surname, which has been carried by individuals from various walks of life, including explorers, nobility, architects, and artists, throughout the centuries.

Race and ethnic origin of people with the last name Riascos

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

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 Riascos 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 Riascos 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 Riascos was researched and written by our team of onomatology and genealogy experts.

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

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