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

Castillero, 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 Castillero surname is from the 2010 census data.

Popularity of Castillero in America

Castillero is the 78567th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Castillero surname appeared 243 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 Castillero.

We can also compare 2010 data for Castillero 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 Castillero

The surname Castillero originated in Spain during the medieval period. It is derived from the Spanish word "castillo," which means "castle." The name likely refers to someone who lived or worked in a castle or was a castellan, a person in charge of maintaining and guarding a castle.

The earliest recorded instance of the name Castillero can be traced back to the 13th century in the region of Castile, located in central Spain. It is believed that the name may have first appeared in historical records or documents related to the Reconquista, the centuries-long struggle between Christian kingdoms and Moorish rulers for control of the Iberian Peninsula.

One of the earliest known individuals with the surname Castillero was Juan Castillero, a Spanish military commander who fought in the Reconquista during the 14th century. He was renowned for his bravery and leadership in battles against the Moors.

Another notable figure was Alonso Castillero, a Spanish explorer who accompanied Christopher Columbus on his second voyage to the Americas in 1493. Castillero played a crucial role in establishing Spanish settlements in the Caribbean islands.

In the 16th century, the Castillero family gained prominence in the Spanish colonial empire. One prominent member was Hernán Castillero, a conquistador who participated in the conquest of Mexico under Hernán Cortés. He was granted land and estates in the newly conquered territories as a reward for his service.

During the 17th century, the Castillero name appeared in various historical records and documents related to the Spanish Empire's expansion in the Americas. One notable figure was Diego Castillero, a Spanish missionary who traveled to the Philippines and played a significant role in the evangelization efforts in the region.

In the 18th century, the Castillero family continued to hold influential positions in the Spanish colonial administration. One notable figure was Juana Castillero, a landowner and philanthropist who founded several schools and hospitals in her native region of Andalusia, Spain.

Throughout its history, the surname Castillero has been associated with individuals from various walks of life, including military leaders, explorers, missionaries, landowners, and philanthropists. While the name originated in Spain, it has since spread to other parts of the world due to Spanish colonization and migration.

Race and ethnic origin of people with the last name Castillero

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

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

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

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