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

Casas, 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 Casas surname is from the 2010 census data.

Popularity of Casas in America

Casas is the 1813th most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Casas surname appeared 19,777 times in the 2010 census and if you were to sample 100,000 people in the United States, approximately 7 people would have the surname Casas.

We can also compare 2010 data for Casas 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 Casas

The surname Casas is of Spanish origin, derived from the word "casa," which means "house" in Spanish. It is believed to have originated during the Middle Ages in Spain, specifically in the regions of Andalusia and Castile.

One of the earliest recorded instances of the surname Casas can be found in the 13th century, when it appeared in various medieval documents and records from the Kingdom of Aragon. The surname was often used to identify individuals who lived in a particular house or estate or were associated with a notable residence.

During the 15th and 16th centuries, the surname Casas gained prominence as Spain expanded its territories and influence through exploration and colonization. Several historical figures with the surname Casas emerged during this period, including Bartolomé de las Casas (1484-1566), a Spanish Dominican friar and historian known for his advocacy for the rights of indigenous peoples in the Americas.

Another notable individual with the surname Casas was Juan de las Casas (1498-1558), a Spanish conquistador who accompanied Hernán Cortés in the conquest of Mexico. He later served as the governor of Chiapas, a state in southern Mexico.

In the 17th century, the surname Casas was carried to various parts of the Spanish Empire, including the Americas and the Philippines. One prominent figure from this era was Cristóbal de las Casas (1598-1672), a Spanish Jesuit missionary and linguist who worked extensively with indigenous communities in Mexico.

As the Spanish Empire expanded, the surname Casas spread to other regions, including the Caribbean and South America. In the 18th century, José María de las Casas (1743-1802), a Spanish military officer and colonial administrator, served as the governor of Cuba from 1790 to 1796.

The surname Casas has also been associated with various place names throughout Spain and its former territories. For example, the town of Casas de Don Pedro in the province of Badajoz, Spain, is believed to have derived its name from a historical figure with the surname Casas.

Over the centuries, the surname Casas has had various spellings and variations, such as Casas, De las Casas, and Las Casas. Despite these variations, the surname has maintained its connection to the concept of a house or residence, reflecting its origins in medieval Spain.

Race and ethnic origin of people with the last name Casas

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

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

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

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