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

Casil, 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 Casil surname is from the 2010 census data.

Popularity of Casil in America

Casil is the 100791st most popular name in America based on the data we have collected from the U.S. Census Bureau.

The Casil surname appeared 179 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 Casil.

We can also compare 2010 data for Casil 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 Casil

The surname Casil is believed to have originated in Spain during the medieval period. It is derived from the Latin word "casilium," which means "small house" or "cottage." This suggests that the name may have been initially used to identify families or individuals who lived in modest dwellings or small settlements.

One of the earliest recorded instances of the name Casil can be found in the Cartulario de Valpuesta, a medieval manuscript dating back to the 11th century. This document contains references to individuals bearing the surname Casil, indicating that it was already in use by that time in the region of Castile.

During the 13th century, the name Casil gained prominence in the city of Toledo, which was then under the rule of the Kingdom of Castile. Records from this period mention a notable figure named Fernán Casil, who served as a municipal official and was involved in the administration of the city's affairs.

In the 15th century, the surname Casil appeared in various historical records related to the Spanish conquest of the Canary Islands. One notable individual was Juan Casil, a soldier and explorer who participated in the expeditions led by Juan de Béthencourt and his successors to conquer the islands.

During the 16th century, the name Casil was associated with several prominent figures in the religious and intellectual spheres. One such individual was Fray Alonso Casil, a Franciscan friar and scholar who authored several treatises on theological and philosophical subjects. Another notable figure was Pedro Casil, a renowned physician and professor at the University of Salamanca.

In the 17th century, the Casil surname gained prominence in the New World, as Spanish settlers and explorers carried the name to the Americas. One notable figure from this period was Diego Casil, a conquistador who participated in the conquest of Mexico and later served as a governor in the region of Yucatán.

As the centuries progressed, the Casil surname continued to be found in various regions of Spain and its former colonies. While not as widespread as some other Spanish surnames, it has maintained a presence throughout history, with individuals bearing this name contributing to various fields, including art, literature, and politics.

Race and ethnic origin of people with the last name Casil

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

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

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

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