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

Casillas, 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 Casillas surname is from the 2010 census data.

Popularity of Casillas in America

Casillas is the 1579th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Casillas surname appeared 22,710 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 8 people would have the surname Casillas.

We can also compare 2010 data for Casillas 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 Casillas

The surname Casillas has its origins in Spain and dates back to the medieval period. It is derived from the Spanish word "casilla," which means a small house or cottage. The name likely originated from someone who lived in a modest dwelling or may have been a descriptor for a person who worked as a caretaker or groundskeeper of such a property.

The earliest recorded mention of the surname Casillas can be found in medieval Spanish documents and records from the 13th century. One notable example is the appearance of the name in the Libro de las Behetrías, a manuscript dating back to 1352 that documented land ownership and taxation in the region of Castile.

During the 16th and 17th centuries, the surname Casillas began to spread across various regions of Spain, particularly in areas like Andalusia, Castile-La Mancha, and Extremadura. It is also believed that the name may have been introduced to other parts of the Spanish empire, including the Americas, through the migration and settlement of Spanish colonists.

One of the earliest known individuals with the surname Casillas was Pedro de Casillas, a Spanish explorer who accompanied Hernán Cortés on his expedition to Mexico in the early 16th century. Another notable figure was Bartolomé de Casillas, a Spanish military officer and engineer who played a significant role in the construction of fortifications in the Philippines during the 17th century.

In later centuries, the surname Casillas continued to be associated with various notable figures. For example, Francisco Casillas y Acevedo (1766-1828) was a Spanish military officer and colonial administrator who served as the Governor of Puerto Rico from 1820 to 1823. Leopoldo Casillas (1842-1901) was a Mexican painter and art teacher known for his contributions to the Mexican art scene in the late 19th century.

One of the most famous individuals with the surname Casillas is Iker Casillas, the former Spanish professional footballer and goalkeeper who was born in 1981. He played for Real Madrid and the Spanish national team, winning numerous titles and accolades throughout his career, including the 2010 FIFA World Cup and two European Championships.

While the surname Casillas has its roots in Spain, it has since spread globally through migration and cultural exchange, with individuals bearing this name found in various parts of the world, particularly in Spanish-speaking countries and regions with historical ties to Spain.

Race and ethnic origin of people with the last name Casillas

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

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

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

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