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

Castelblanco, 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 Castelblanco surname is from the 2010 census data.

Popularity of Castelblanco in America

Castelblanco is the 106096th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Castelblanco surname appeared 168 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 Castelblanco.

We can also compare 2010 data for Castelblanco 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 Castelblanco

The surname Castelblanco has its origins in Spain, dating back to the medieval period. It is believed to have originated from a place name, referring to a specific castle or fortified town. The prefix "Castel" is derived from the Latin "castellum," meaning castle or citadel, while "blanco" is the Spanish word for white, possibly describing the color or appearance of the structure.

The earliest recorded instances of the name Castelblanco can be found in various historical documents and records from the 13th and 14th centuries in Spain. One notable mention is in the "Libro de las Behetrías de Castilla" (Book of the Behetrias of Castile), a comprehensive census of land holdings and vassalage in the Kingdom of Castile compiled during the reign of King Pedro I of Castile (1350-1369).

In the 15th century, the name appears in connection with prominent figures such as Hernán García de Castelblanco, a Spanish nobleman and military commander who participated in the conquest of Granada in 1492. Another notable bearer of the name was Álvaro de Castelblanco, a scholar and theologian who lived during the latter half of the 15th century and authored several works on religious subjects.

During the 16th century, the Castelblanco family gained prominence in various regions of Spain, particularly in Andalusia and Castile. One notable figure from this era was Diego de Castelblanco, a renowned architect who worked on several notable projects, including the construction of the Alcázar of Seville in the 1520s.

In the 17th century, the name Castelblanco appeared in historical records related to the Spanish colonization of the Americas. One such individual was Juan de Castelblanco, a Spanish explorer and conquistador who participated in expeditions to the Caribbean and Central America in the early 1600s.

Another significant bearer of the name was Catalina de Castelblanco, a wealthy landowner and philanthropist from Seville, Spain, who lived in the late 17th century. She was known for her charitable works and endowments to various religious institutions and organizations.

As the centuries passed, the Castelblanco surname continued to be present in various regions of Spain and its colonies, with individuals bearing the name making contributions in various fields, including the arts, literature, and military service.

Race and ethnic origin of people with the last name Castelblanco

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

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

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

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