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

Castillo, 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 Castillo surname is from the 2010 census data.

Popularity of Castillo in America

Castillo is the 104156th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Castillo surname appeared 172 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 Castillo.

We can also compare 2010 data for Castillo 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 Castillo

The surname Castillio originated in Spain during the 12th century. It is derived from the Spanish word "castillo" meaning castle or fortress. The name likely referred to someone who lived near or worked at a castle.

One of the earliest recorded instances of the Castillio name dates back to 1220 in the town of Seville, where Juan de Castillio was listed as a landowner. The name also appears in several medieval Spanish manuscripts, including the Cantigas de Santa Maria from the 13th century.

During the 16th and 17th centuries, the Castillio surname began to spread throughout the Spanish colonies in the Americas. In 1521, Diego de Castillio accompanied the Spanish conquistador Hernán Cortés on his expedition to conquer the Aztec Empire in Mexico.

Notable individuals with the Castillio surname include Pedro de Castillio (1489-1552), a Spanish navigator and explorer who accompanied Ferdinand Magellan on the first circumnavigation of the globe. Another prominent figure was Bernal Díaz del Castillio (1492-1584), a Spanish soldier and author who wrote a famous account of the conquest of Mexico.

In the 18th century, Francisco de Castillio (1716-1792) was a Spanish architect who designed several notable buildings in Madrid and Seville. Meanwhile, in the 19th century, Ramón de Castillio (1834-1901) was a renowned Spanish painter known for his landscapes and historical scenes.

The Castillio name has also been associated with several place names in Spain, such as Castillo de Locubín in the province of Jaén, and Castillo de Aroche in the province of Huelva. These place names likely influenced the development of the Castillio surname in those regions.

Race and ethnic origin of people with the last name Castillo

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

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

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

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