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

Díazcastillo, 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 Díazcastillo surname is from the 2010 census data.

Popularity of Díazcastillo in America

Díazcastillo is the 149395th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Díazcastillo surname appeared 110 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 Díazcastillo.

The history of the last name Díazcastillo

The surname DIAZCASTILLO is of Spanish origin, tracing its roots back to the medieval period in Spain. It is a compound surname formed by the combination of the patronymic "Diaz" and the place name "Castillo."

The first element, "Diaz," is derived from the ancient Spanish name "Diego," which has its origins in the Latin name "Didacus." This name was particularly popular during the Middle Ages, and many descendants adopted the patronymic form "Diaz" to indicate their lineage.

The second element, "Castillo," refers to a castle or fortified structure, suggesting that the family may have been associated with a specific castle or lived in proximity to one. This place name component is common in many Spanish surnames, reflecting the country's rich history and the importance of fortifications during the Reconquista period.

One of the earliest recorded mentions of the DIAZCASTILLO surname can be found in the "Becerro de las Behetrías de Castilla," a medieval document dating back to the 14th century. This record lists various noble families and their landholdings, including individuals bearing the DIAZCASTILLO name.

Notably, the DIAZCASTILLO surname has been associated with several prominent figures throughout history. One such individual was Pedro Diaz de Castillo, a Spanish soldier and chronicler who participated in the conquest of Mexico alongside Hernán Cortés. He was born in the late 15th century and is renowned for his eyewitness account of the fall of the Aztec Empire, titled "Historia verdadera de la conquista de la Nueva España" (True History of the Conquest of New Spain).

Another notable bearer of the DIAZCASTILLO surname was Juan Diaz de Castillo, a Spanish explorer and conquistador who played a role in the conquest of Guatemala in the early 16th century. He was involved in various expeditions and battles against the indigenous populations.

In the realm of literature, María Diaz de Castillo was a notable Spanish poet and writer from the 17th century. She was born in Seville and gained recognition for her poetic works, which often explored themes of love and spirituality.

Moving into the 18th century, José Diaz de Castillo was a Spanish military officer who served in the Spanish Army during the Napoleonic Wars. He participated in several major battles against the French forces and was known for his bravery and leadership on the battlefield.

In the 19th century, Francisco Diaz de Castillo was a prominent Spanish politician and statesman. He served as a member of the Spanish Parliament and was involved in shaping the political landscape of Spain during a turbulent period of its history.

These are just a few examples of individuals who have borne the DIAZCASTILLO surname throughout history, highlighting its rich legacy and connections to various significant events and figures in Spanish history.

Race and ethnic origin of people with the last name Díazcastillo

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

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 Díazcastillo 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.

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

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

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