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

Sias, 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 Sias surname is from the 2010 census data.

Popularity of Sias in America

Sias is the 10352nd most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Sias surname appeared 3,112 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 1 people would have the surname Sias.

We can also compare 2010 data for Sias 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 Sias

The surname SIAS has its origins traced back to the northern regions of Spain, particularly in the autonomous communities of Galicia and Asturias. The name likely emerged during the medieval period, around the 10th to 13th centuries.

SIAS is believed to have derived from the Galician-Portuguese word "sía," which referred to a small stream or rivulet. This suggests that the name may have been initially used to denote someone who lived near a small watercourse or a particular stream.

Historical records from the 13th century mention individuals bearing the name SIAS in various documents from the region. For instance, a certain Rodrigo Sias is mentioned in a charter dated 1287, granting land rights in the area now known as Pontevedra, Galicia.

One of the earliest recorded instances of the surname SIAS can be found in the records of the Monastery of San Clodio, near Leiro, Ourense, where a María Sias is listed as a benefactor in the year 1322.

As the surname spread beyond its initial origins, variations in spelling emerged, such as Sías, Sías, and Sías. These variations were likely influenced by regional dialects and the preferences of scribes at the time.

Noteworthy individuals with the surname SIAS throughout history include:

1. Álvaro Sias (c. 1420 - 1498), a Galician nobleman and military commander who fought in the Reconquista campaigns against the Moors.

2. Fernán Sias (c. 1510 - 1585), a Spanish explorer and navigator who accompanied Pedro de Valdivia in the conquest of Chile.

3. María Sias y Ribera (1625 - 1703), a renowned Galician poet and writer during the Spanish Golden Age.

4. Juan Sias Barreiro (1782 - 1856), a Galician politician and lawyer who served as a deputy in the Spanish Cortes during the reign of Ferdinand VII.

5. Ramón Sias Villaverde (1865 - 1939), a Galician architect known for his contributions to the modernist architectural style in the region.

While the surname SIAS may have originated from humble beginnings, referring to those living near small streams, it has left an indelible mark on the cultural and historical tapestry of Spain, particularly in the northern regions of Galicia and Asturias.

Race and ethnic origin of people with the last name Sias

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

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

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

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