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

Siañez, 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 Siañez surname is from the 2010 census data.

Popularity of Siañez in America

Siañez is the 45026th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Siañez surname appeared 476 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 Siañez.

We can also compare 2010 data for Siañez 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 Siañez

The surname SIANEZ has its origins in the Basque Country, a region spanning parts of northern Spain and southwestern France. It dates back to the medieval era, around the 12th century.

The name SIANEZ is believed to be derived from the Basque word "siant," meaning "river." This suggests that the earliest bearers of this surname likely resided near a significant river or waterway in the Basque region.

One of the earliest recorded instances of the SIANEZ surname can be found in the archives of the Monastery of San Millán de la Cogolla, located in La Rioja, Spain. A document from the year 1187 mentions a certain "Sancho Sianez" as a landowner in the area.

In the 14th century, historical records from the Kingdom of Navarre reference a nobleman named "Juan Sianez de Gongora," who served as a military commander during the Navarrese-Castilian conflict of 1335-1336.

During the late 15th century, a prominent figure bearing the SIANEZ name was "Martín Sianez de Murueta," a wealthy merchant and landowner from the town of Bilbao. He played a significant role in the city's economic affairs and served as a member of the local council.

The 16th century saw the rise of "Inés Sianez de Velasco," a renowned poet and writer from Vitoria-Gasteiz. Her works, which explored themes of love and spirituality, were highly regarded during her lifetime and contributed to the cultural legacy of the Basque region.

In the 17th century, "Miguel Sianez de Urbieta" was a notable figure in the field of architecture. He was responsible for designing several churches and public buildings in the Basque Country, including the Church of San Andrés in Eibar.

While the SIANEZ surname has its roots in the Basque region, over the centuries, it has spread to other parts of Spain and beyond, as individuals bearing this name migrated to new areas.

Race and ethnic origin of people with the last name Siañez

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

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

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

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