What is the origin of the last name Aguilar?

The surname Aguilar has its origin in the Iberian Peninsula, specifically in Spain, where it traces back to ancient Visigothic times. Derived from the Old Germanic personal name Agila, meaning "eagle," it became a hereditary surname denoting someone with characteristics associated with this majestic bird, such as strength, nobility, and keen eyesight. Over centuries of migration and assimilation, the surname Aguilar has spread across different regions and countries, representing the rich tapestry of Spanish history and extending its lineage to diverse communities worldwide.

Countries of origin for the last name Aguilar

The last name Aguilar has its origins in the medieval kingdom of Castile, which was located in what is now modern-day Spain. The name is classified as a habitational surname, meaning it was derived from the name of a particular place. In this case, the surname Aguilar is derived from the word “aguila,” which means “eagle” in Spanish.

One possible explanation for the use of the word “aguila” in the name is that it may have been used to describe either a geographical feature or a heraldic symbol associated with the place from which the surname originated. Eagles have long been used as symbols of strength and nobility, so the choice of this word in the surname may have been an attempt to convey these qualities.

The surname Aguilar is relatively common in Spanish-speaking countries, with a significant number of individuals carrying this last name. In the United States, the surname is most commonly found among individuals of Hispanic or Latino origin, reflecting the historical ties between Spain and the former Spanish colonies in the Americas.

Research suggests that the Aguilar surname can be found in various regions of both Spain and Latin America. In Spain, it is particularly prevalent in the provinces of Salamanca, Cáceres, León, Badajoz, and Madrid. In Latin America, it is found in countries such as Mexico, Argentina, Colombia, and the Dominican Republic.

As is the case with many surnames, the meaning and distribution of the Aguilar surname can vary depending on the specific family line. Some individuals may have acquired the surname through inheritance or marriage, while others may have adopted it for different reasons. Without detailed genealogical research, it is difficult to determine the precise origins of any given individual’s Aguilar surname.

It is worth noting that the Aguilar surname is not exclusive to individuals of Spanish or Hispanic descent. Due to migration and intermarriage, individuals from diverse cultural backgrounds may bear this last name. It is a reminder of the complex history of surnames and the connections between different cultures and societies.

While our knowledge of the origins and meaning of the Aguilar surname has expanded over time, there is still much to discover. Future research and exploration may shed further light on the specific historical context in which this surname arose and how it has evolved over the centuries. The study of genealogy and last names continues to be a fascinating field, offering insights into our shared human history.

Interesting facts about the last name Aguilar

  • The surname Aguilar is of Spanish origin.
  • It is derived from the Spanish word “Aguila,” which means “eagle.”
  • The Aguilar surname is quite common in Spain and Latin America.
  • There are several variations of the surname, including Aguilera, Aguilera, and Aguillon.
  • Aguilar is also a common place name in Spain and can be found as the name of several towns and municipalities.
  • Many famous individuals throughout history have carried the Aguilar surname, including musicians, actors, and athletes.
  • The Aguilar surname is often associated with qualities such as strength, courage, and nobility.
  • It is believed that the surname originated in the region of Castile in Spain.
  • The Aguilar surname has spread across the world due to migration and colonization, particularly to countries with a history of Spanish influence.
  • Various coats of arms have been associated with the Aguilar surname, representing the family’s noble lineage.

Name Rank


There are around 186512 people with the last name Aguilar in the US

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